Left an orphan, Dmitri Mendeleev went on to complete his graduation in Math and Science and left for the Crimean Peninsula to teach. A couple of years later he returned once again to St. Petersburg for his Masters Degree. On it's completion, he was invited to teach at the Technical Institute Dmitri Mendeleev Mendeleev in 1897 Born Dmitri Ivanovich Mendeleev (1834-02-08) 8 February 1834 Verkhnie Aremzyani, Tobolsk Governorate, Russian Empire Died 2 February 1907 (1907-02-02) (aged 72) Saint Petersburg, Russian Empire Nationality Russian Alma mater Saint Petersburg University Known for Formulating the periodic table of chemical elements Spouse(s) Feozva Nikitichna Leshcheva (1862. Dmitri Mendeleev, Russian in full Dmitry Ivanovich Mendeleyev, (born January 27 (February 8, New Style), 1834, Tobolsk, Siberia, Russian Empire—died January 20 (February 2), 1907, St. Petersburg, Russia), Russian chemist who developed the periodic classification of the elements Updated May 15, 2019 Dmitri Mendeleev (February 8, 1834-February 2, 1907) was a Russian scientist best known for devising the modern periodic table of elements. Mendeleev also made major contributions to other areas of chemistry, metrology (the study of measurements), agriculture, and industry. Fast Facts: Dmitri Mendeleev Dmitri Mendeleev was born on February 8, 1834 in Tobolsk Governorate, Russian Empire. His father, Ivan Pavlovich Mendeleev, was a teacher of philosophy and fine arts. Mendeleev was the youngest of more than a dozen children. Ivan Pavlovich Mendeleev lost his teaching position when he became blind
Dmitri Mendeleev is the 3rd most popular chemist, the 8th most popular biography from Russia (up from 9th in 2019) and the most popular Russian Chemist. Dmitri Mendeleev is most famous for creating the periodic table of elements Born in Siberia, the last of at least 14 children, Dimitri Mendeleev revolutionized our understanding of the properties of atoms and created a table that probably adorns every chemistry classroom in the world. After his father went blind and could no longer support the family, Mendeleev's mother started a glass factory to help make ends meet
Dmitri Mendeleev Biography Dmitri Mendeleev was born in Russia on February 8, 1834. Russian scientist who revolutionized chemistry with his Periodic Table of Elements. His chart predicted certain elements that were not discovered yet, but have been discovered since Dmitri Mendeleev was a famous Russian chemist and inventor who formulated Periodic Law and created his own version of the Periodic Table of Elements. He used the table to correct properties of some discovered elements and to predict elements that were yet to be discovered
. He was born in Verkhnie Aremzyani, Tobolsk Governorate, in the Russian Empire. Mendeleev was the youngest of 17 children. He started studying at the Gymnasium in Tobolsk at the age of 13 Dmitri Mendeleev was born on the 8 February 1834 in Tobolsk, Siberia, Russia. Dmitri Mendeleev was born into a large family of fourteen children. His mother was Mariya Dmitriyevna Kornilova and his father, Ivan Pavlovich Mendeleev. His father was a teacher of philosophy, who went blind, which caused the family hardship Periodic Table Dmitri Mendeleev : Dmitri Mendeleev | Biography, Periodic Table, & Facts. Antoine2k, getty images while it's easy to find many elements on the periodic table, uranium is below the main b. The iupac has announced completion of the periodic table, with the official verification of elements 113, 115, 117, and 118
Biography - Lifespan. Dmitri Mendeleev was born on 8 th February 1834 at Tobolsk, Siberia. The name of his father was Ivan Pavlovich Mendeleev and his mother's name was Maria Dmitrievna. His father was a school principal and teacher of arts, philosophy, and politics, who died when Mendeleev was only 13 years old Biography: Dimitri Ivanovich Mendeleev Dmitri Ivanovich Mendeleev (1834 - 1906) was a Russian chemist who became a professor at Saint Petersburg University. He is best known for identifying properties of elements and the creation of the periodic table of elements, which is still used today. Mendeleev devoted a great part o . After his father went blind and could no longer support the family, Mendeleev's Who is Dmitri Mendeleev?He formulated the Periodic Law. He corrected the properties of some already discovered elements and aslo predicted the properties of.
Dmitri Ivanovich Mendeleev (1834 - 1906) was a Russian chemist who became a professor at Saint Petersburg University. He is best known for identifying properties of elements and the creation of the periodic table of elements, which is still used today. Mendeleev devoted a great part of his life to the study of solutions, catalysis, and petroleum Biografie. Dmitri Ivanovici Mendeleev, fiul lui Ivan Pavlovici Mendeleev și Mariya Dmitriyevna Kornilevas, s-a născut în orașul Tobolsk din vestul Siberiei. Conform obiceiului rus, i s-a dat un prenume, Ivanovici, care înseamnă fiul lui Ivan Dmitry Mendeleev este prezentat în acest articol o scurtă biografie a unui om de știință celebru.. Biografie scurtă a lui Mendeleev. Dmitry Mendeleev - om de știință și enciclopedist rus: chimist, fizician, profesor, balonist, constructor de instrumente. Cea mai cunoscută descoperire este legea periodică a elementelor chimice. Dmitri Ivanovici Mendeleev s-a născut pe 8 februarie. Copilăria și viața timpurie. Dmitri Mendeleev s-a nascut pe data de 8 februarie 1834 în Tobolsk, Siberia, Rusia.. care este cel mai bun meci pentru o femeie taur. Dmitri Mendeleev s-a născut într-o familie numeroasă de paisprezece copii. Mama lui era Mariya Dmitriyevna Kornilova și tatăl său, Ivan Pavlovici Mendeleev.Tatăl său era un profesor de filozofie, care a fost orb, ceea ce.
Dmitri Mendeleev, Rusă pe deplin Dmitri Ivanovici Mendeleiev, (născut la 27 ianuarie (8 februarie, stil nou), 1834, Tobolsk, Siberia, Imperiul Rus - a murit la 20 ianuarie (2 februarie), 1907, Sankt Petersburg, Rusia), chimist rus care a dezvoltat clasificarea periodică a elementelor.Mendeleev a constatat că, atunci când toate elementele chimice cunoscute erau aranjate în ordine de. Biografia lui Dmitri Mendeleev, inventatorul tabelului periodic. 15 May, 2019. Dmitri Mendeleev (8 februarie 1834 - 2 februarie 1907) a fost un om de știință rus cunoscut mai ales pentru conceperea tabelului periodic modern al elementelor. Mendeleev a adus, de asemenea, contribuții majore la alte domenii ale chimiei , metrologiei (studiul.
Dmitri Mendeleev was a Russian chemist who lived from 1834 to 1907. He is considered to be the most important contributor to the development of the periodic table Dmitri Mendeleev, known as the father of the Periodic Table, was a Russian scientist born in Tobolsk, Siberia on February 8 th, 1834. He belonged to a well-off family and had 17 siblings. His father, a Russian Literature professor, died when he was young after which his mother moved to St. Petersburg, where Mendeleev received his education The Russian chemist Dmitrii Ivanovich Mendeleev is best known for the formulation of the periodic law of the chemical elements. Dmitri Mendeleev was born on Feb. 8, 1834, in the Siberian town of Tobolsk. He was the seventeenth and last child of Ivan Pavlovich and Maria Dmitrievna Mendeleev Dmitri Mendeleev | Biography of Famous Scientists. Lived 1834 - 1907. Dmitri Mendeleev was passionate about chemistry. His deepest wish was to find a better way of organizing the subject. Mendeleev's wish led to his discovery of the periodic law and his creation of the periodic table - one of the most iconic symbols ever seen in science. Biography of Dimitri Ivanovich Mendeleiev. (1834-1907) Russian chemist who developed the periodic table of the chemical elements. He/She was born on February 7, 1834 in Tobolsk (Siberia) in a family of 14 siblings, of which he/she was the youngest. He/She died on February 2, 1907 in Petersburgo
Ivan Mendeleev. Father's Name : Ivan Pavlovich Mendeleev (1783-1847) Father's Occupation : School principal and a teacher of fine arts, politics and philosophy at the Tambov and Saratov gymnasiums. Mother's Name : Maria Dmitrievna Mendeleeva (1793-1850) Citizen Of : Russia. Other Academic Advisors : Gustav Kirchhoff Mendeleev was a Russian chamist and inventor,known as the creator of the periodic table used to correct the properties of some of the elements that have been discovered. Dmitri was born in a village of Verkhnie Aremyani, near the city of Tobolsk in Siberia, to Ivan Pavlovich Mendeleev his father and Maria Dmitirievena Mendeleeva his mother Mendeleev's ideas were similar to those of Newlands but Dmitri had more data and felt that Newslands had not gone for enough in his research. By 1869, the Russian chemist had assembled detailed descriptions of more than 60 elements and , on March 6, 1869 a formal mentation was made to the Russian Chemical Society entitled
Biography Early Life. Dmitri Mendeleev was born on February 7th,1834, in Tobolsk, Siberia. He was a blonde-haired and blue-eyed boy who was the youngest of fourteen children. His mother was Maria Dmitrievna Korniliev and his father was Ivan Pavlovitch Mendeleev. His father died when Mendeleev was young and left his wife to provide for the large. Dmitri mendeleev ppt 1. SUBMITTED BY ATHIRA.M PHYSICAL SCIENCE 2. Dmitri Mendeleev(1834 - 1907) 3. Biography.. Dmitri Ivanovich Mendeleev was his full name. Born on February 8, 1834 Born in Tobolsk, Siberia, Russia Parents were Ivan Pavlovich Mendeleev and Maria Dmitrievna Kornilieva He was a Russian Scientist Father of the Periodic Table Mendeleev died on February 2, 190 Dmitri Mendeleev - Dmitri Mendeleev - Other scientific achievements: Since Mendeleev is best known today as the discoverer of the periodic law, his chemical career is often viewed as a long process of maturation of his main discovery. Indeed, in the three decades following his discovery, Mendeleev himself offered many recollections suggesting that there had been a remarkable continuity in his.
Dimitri Mendeleev: biografie chemiků periodické tabulky. Pravděpodobně velká část lidí, kteří četli tyto řádky, bude vidět, studovat nebo pracovat s periodickou tabulkou, která se skládá z různých prvků seřazených podle jejich atomové hmotnosti a valence. Ačkoli dnes vidíme tuto tabulku jako něco, co je složité, ale. Dmitri Mendeleev: biography Dmitri Ivanovich Mendeleev is a Russian scientist, ingenious chemist, first-rate physicist, researcher in the fields of metrology, hydrodynamics, geology, a thorough expert in the industrial field, an instrument maker, an economist, an aeronaut, an educator, a social activist and an eccentric thinker
Dmitri Ivanovich Mendeleev was born in Tobolsk, Siberia, on February 8, 1834. After his father's blindness and death in 1847, his mother operated a glass factory. When the factory was destroyed by fire, the family moved to Moscow and later to St. Petersburg, where Mendeleev attended the Pedagogical Institute Dmitri Ivanovich Mendeleev (1834 - 1907), Prominent Russian Scientist. References to His Great Scientific Achievements in the Literature between 1871 and 1917. Revista CENIC Ciencias Químicas. Dmitri Ivanovich Mendeleev was a Russian Chemist & inventor. He is credited as being the creator of the first version of the periodic table of elements. Using the table, he predicted the properties of elements yet to be discovered. He was born on February, 1834 at Tobolsk in Siberia, in the eastern part of Russia Dmitri Mendeleev was a Russian chemist who is famous as the Father of the Periodic Table.He formulated the Periodic law and popularized the periodic table through his correct predictions regarding the properties of yet undiscovered elements.Mendeleev had a tough childhood during which his family faced financial difficulties. After his graduation, he worked as a professor at the Saint. Russian chemist Dmitri Mendeleev (also Dmitrii Mendeleyev) created the first valid periodic table of the elements in 1869. With the exception of post-graduate training in England and Germany (where he studied with Robert Wilhelm Bunsen), Mendeleev spent most of his career in St. Petersburg (Leningrad) as a popular and influential lecturer at the university
Dmitri Mendeleev was a chemist of genius, first-class physicist, a fruitful researcher in the fields of hydrodynamics, meteorology, geology, certain branches of chemical technology and other disciplines adjacent to chemistry and physics, a thorough expert of chemical industry and industry in general, and an original thinker in the field of. Dimitri Ivánovich Mendeléyev (en rusu: Дмитрий Иванович Менделеев) (8 de febreru de 1834, en Tobolsk - 2 de febreru de 1907, en San Petersburgu). Químicu rusu, creador de la Tabla periódica de los elementos.. Sobre les bases del análisis espectral establecíu por Bunsen y Kirchoff ocupóse de problemes químico-físicos rellacionaos col espectru d'emisión de los. An academic biography, Michael D. Gordin's A Well-Ordered Thing tells Dmitri Mendeleev's story in dense prose, detailed with Russian history and molecular chemistry. Mendeleev will forever be remembered as the inventor of the periodic table of the elements, which sorts hydrogen, helium, lithium, and so on, according to their weights and properties Dmitri Ivanovich Mendeleev (1834-1907; MEN-de-LAY-ev) was a Russian scientist, bureaucratic expert, public figure and humanitarian.He is recognized for numerous contributions to the social and economic betterment of Russian society and to the advancement of science, including contributions to chemistry, physical chemistry, physics, chemical engineering, geodesy, metrology, meteorology.
Dmitri Mendeleev : biography 8 February 1834 - 2 February 1907 In 1849, the now poor Mendeleev family relocated to Saint Petersburg, where he entered the Main Pedagogical Institute in 1850. After graduation, he contracted tuberculosis, causing him to move to the Crimean Peninsula on the northern coast of the Black Sea in 1855. While [ Dmitri Mendeleev One of the most unlikely success stories in the history of chemistry is the one of Dmitry Mendeleev.Mendeleev was born in Tobolsk in Siberia on February 8, 1834. He was the youngest child in a family of 14 children. His father was a teacher at the Tobolsk high school. His mother tried to take over support of the family by building a glassworks in the nearby town of Axemziansk
Dmitri Ivanovich Mendeleev was born in Tobolsk, Siberia, on February 7, 1834. The blonde-haired, blue-eyed boy was the son of Maria Dmitrievna Korniliev and Ivan Pavlovitch Mendeleev and the youngest of 14 children. Dmitri's father, Ivan died when Dmitri was still very young and Dmitri's mother, Maria was left to support her large family Clear rating. 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars. The Principles of Chemistry Volume Vol. 2, Part 2. by. Dmitri Mendeleev, George Kamensky, Thomas H. Pope. it was amazing 5.00 avg rating — 1 rating — published 2015. Want to Read One thought on Dmitri Mendeleev Biography - life Story, Career, Awards, Age, Height more latestbtcnews.com. November 20, 2020 at 4:48 pm. Permalink. That is the fitting blog for anyone who wants to search out out about this topic. You notice a lot its virtually laborious to argue with you (not that I actually would needâ€¦HaHa) Both Julius Lothar Meyer and Dimitri Mendeleev received the high honor of the Royal Society's Davy Medal for their work on the periodic table of elements in 1882. The Davy Medal is awarded annually for research in chemistry. The first Davy Medal was awarded in 1877 to Humphry Davy FRS, the inventor of the Davy Lamp Early Life. Dmitri Mendeleev was born in the 8th of February 1834 grew up in Verkhnie Aremzyani, Serbia. He grew up as a catholic, but later on he became a deism. This is a belief in which you find an existence of a creator by studying nature. It is an unknown fact of how many siblings he, had but he either had 11, 13, 14 or 17 siblings
Dmitri Mendeleev 2021 - Biography at Wikipedia (Wiki, Age, Birthday) Dmitri Mendeleev - Russian chemist, creator of the Periodic Table of Elements Dmitri Mendeleev was born on February 8, 1834 in Tobols Dmitri Ivanovich Mendeleev was born in Tobolsk, Siberia, on February 7, 1834. The blonde-haired, blue-eyed boy was the son of Maria Dmitrievna Korniliev and Ivan Pavlovitch Mendeleev and the youngest of 14 children. Dmitris father, Ivan died when Dmitri was still very young and Dmitris mother, Maria was left to support her large family Dmitri Ivanovich Mendeleev (born 8 February (O.S. 27 January) 1834 near Tobolsk - 2 February (O.S. 20 January 20) 1907 in Saint Petersburg) was a Russian chemist who created the periodic table of elements. Many of the predictions made in his periodic table (such as the properties of elements undiscovered at the time) were later proved correct by experiments Mendeleev was born in the village of Verkhnie Aremzyani, near Tobolsk in Siberia, to Ivan Pavlovich Mendeleev (1783-1847) and Maria Dmitrievna Mendeleeva (née Kornilieva) (1793-1850). His paternal grandfather Pavel Maximovich Sokolov was a Russian Orthodox priest from the Tver region. Ivan, along with his brothers and sisters, obtained new family names while attending the theological. Dmitri Ivanovich Mendeleev was born on the February 8, 1834. Mendeleev was a Russian chemist and inventor, known as the creator of the periodic table. He used it to correct the properties of some of the elements that have been discovered
Dmitri Mendeleev was born in Russian Empire, Tobolsk on February , 1834. This man was Russian chemist who developed the periodic classification of the elements. Mendeleev found that, when all the known chemical elements were arranged in order of increasing atomic weight, the resulting table displayed a recurring pattern, or periodicity, of. On February 8, 2009 the humanity commemorated the 175 th anniversary of Dmitriy Mendeleev (1834-1907), Father of the Periodic Table, the great scientist, thinker and patriot. The Editorial Board has decided to contribute to this memorable event with a novel version of the Mendeleev's biography, which was put together and interpreted by a Russian chemist
A brief biography of Dmitri Ivanovich Mendeleev. Facebook. Twitter. Google+. Dmitry Ivanovich Mendeleyev is one of thethe greatest scientists of our country's history. A brief biography of Mendeleev is inscribed in gold letters in the history of the development of world natural science. It will be discussed in the above article Dmitri Ivanovich Mendeléev . February 7, 1834 - February 2, 1907 . Russian chemist . Mendeleev was born in Tobolsk, Siberia, but was educated in St. Petersburg where he lived virtually all his life. He taught at St. Petersburg University and there wrote books and published his concept of chemical periodicity 8 February 1834 - 2 February 1907. On 17 February 1869, Russian chemist Dmitri Mendeleev jotted down the symbols for the chemical elements, putting them in order according to their atomic weights. Biografie van Dmitri Mendeleev - Uitvinder van die Periodieke Tabel. Waarom was Dmitri Mendeleev (1834 - 1907)? Hierdie kort biografie bied feite oor die lewe, ontdekkings en tye van die Russiese wetenskaplike wat bekend staan om die moderne periodieke elemente te ontwerp
Biografie a lui Dmitri Mendeleev - Inventatorul mesei periodice. De ce a fost Dmitri Mendeleev (1834-1907)? Această scurtă biografie oferă fapte despre viață, descoperiri și vremuri despre omul de știință rus cunoscut cel mai bine pentru elaborarea tabelului periodic modern de elemente Fact 1 Dmitri Mendeleev was born in Tobolsk on the 8th of February 1834. Fact 2 He has been characterized as a chemist of genius, first-class physicist and fruitful researcher in the fields of hydrodynamics, meteorology and geology. Fact 3 Mendeleev was also a thorough expert in certain branches of chemical technology and other disciplines adjacent to chemistry and physics Dmitri Dimitrievici Șostakovici (în rusă Дмитрий Дмитриевич Шостакович; n. 12/25 septembrie 1906, Sankt Petersburg, Imperiul Rus - d. 9 august 1975, Moscova, RSFS Rusă, URSS) a fost un compozitor, pianist și profesor rus, considerat unul dintre cei mai importanți compozitori ai secolului al XX-lea. . Șostakovici a devenit celebru în Uniunea Sovietică, unde. Unit 3: Dmitri Mendeleev Biography. 1. 3X DMITRI MENDELEEV BIOGRAPHY. 2. DMITRI MENDELEEV BUILDING THE PERIODIC TABLE OF ELEMENTS Born February 7, 1834 Tobolsk, Siberia, Russia Died January 20, 1907 St. Petersburg, Russia By Michelle Feder. 3. Dmitri Mendeleev, a Russian chemist and teacher, devised the periodic table — a comprehensive system.
Rate this post See learn details about Dmitri Mendeleev Net Worth, Age, Height, Bio, Salary. Also discover famous Chemist Dmitri Mendeleev's Birthday, Measurements, Physical Stats, Dating, Wiki and more. Biography Dmitri Mendeleev was born in Russia on February 8, 1834. Russian scientist who revolutionized chemistry with his Periodic Table of Elements. His chart predicted certain [ Dmitri Mendeleev Dmitri Mendeleev was born at Tobolsk, Siberia in 1834 and died in 1907. Mendeleev studied science at St. Petersburg and graduated in 1856. In 1863 Mendeleev was appointed to a professorship and in 1866 he succeeded to the Chair in the University. Mendeleev is bes
Dmitri Ivanovich Mendeleev (Bahasa Bahasa Rusia: Дми́трий Ива́нович Менделе́ев, [Min-di-lé-yif], 8 Februari 1839 - 2 Februari 1907 atau 27 Januari 1834 - 20 Januari 1907 mengikut Takwim Julius) merupakan seorang profesor kimia warga Rusia yang dikenali atas kerjanya mengelaskan unsur-unsur menghasilkan satu bentuk jadual berkala yang memuaskan pada tahun 1869 This website is about Dmitri Mendeleev and i used a trustworthy website to find reliable information about him. The website I used was Biography.com the publisher is A&E television networks, I looked this up and lots of people are watching this television network and they trust this on their devices such as 'computers,televisions, and phones' Dimitri Mendeleev: biography of the chemist author of the periodic table July 31, 2021 Probably a large part of the people who read these lines will have seen, studied or worked with the periodic table, which consists of the different elements ordered by their atomic weight and valence Dmitri Ivanovich Mendeleev was born in a small Russian village in Verkhnie Aremzyani which is located near Siberia. He was the son of Ivan Pavlovich Mendeleev and Maria Dmitrievna Mendeleeva. His father was a teacher of politics, philosophy and fine arts; however, dire financial constraints had befallen to the family when he became blind and.
Dmitrii Ivanovich Mendeleev. The Russian chemist Dmitrii Ivanovich Mendeleev (1834-1907) is best known for the formulation of the periodic law of the chemical elements. Dmitrii Mendeleev was born on Feb. 8, 1834, in the Siberian town of Tobolsk. He was the seventeenth and last child of Ivan Pavlovich and Maria Dmitrievna Mendeleev Mendeléev, Dmitri (1834-1907) Russian chemist who arranged the 63 known elements into a periodic table based on atomic mass , which he published in Principles of Chemistry in 1869. This organization surpassed attempts at classification by Beguyer de Chancourtois and Newlands and was published a year before the work of Lothar Meyer Dmitri Ivanovich Mendeleev (1834 - 1907) was a Russian chemist most famous for his contributions to the Periodic Table.He was the first to publish a periodic table similar to the one we use today and is credited for discovering the Periodic law. More importantly, he put the elements in their right places in his periodic table correctly pointing out that their atomic weights had been measured.
Freedom World Free. We hold these truths to be self-evident: that all men are created equal; that they are endowed by their Creator with certain unalienable rights; that among these are life, liberty, and the pursuit of happiness. Thomas Jefferson. Life Happiness Freedom. Freedom is the oxygen of the soul. Moshe Dayan Dmitri Ivanovitch Mendeleev (also spelled Mendeleyev) was born on February 8, 1834 in Tobolsk, Siberia. His mother, Maria Dmitrievna Mendeleev, and his father Ivan Pavlovich had 17 kids and Dmitri was the youngest of them all. In 1847 Dmitri's father went blind and could no longer work, which meant that his mother had to help support the. Facts about Dmitri Mendeleev 9: as a professor. In 1864 and 1865, he was appointed as the professors for Saint Petersburg Technological Institute and Saint Petersburg State University respectively. Facts about Dmitri Mendeleev 10: Anna Ivanova Popova. Anna Ivanova Popova was the second wife of Mendeleev. He was obsessed with her An inventor and a chemist, Dmitri Mendeleev was a Russian born scientist who was born in Siberia. It is not known how many siblings Mendeleev had, but it is thought to have been as high as 17. His father was a teacher of arts and politics, but after becoming blind, his mother was forced to work within the family's glass factory Dmitri Mendeleev was a famous Russian chemist, who was born on February 8, 1834. As a person born on this date, Dmitri Mendeleev is listed in our database as the 21st most popular celebrity for the day (February 8) and the 1st most popular for the year (1834). People born on February 8 fall under the Zodiac sign of Aquarius, the Water Bearer Share through pinterest. File previews. pdf, 880.5 KB. pdf, 861.08 KB. A history of science reading comprehension activity on the life and achievements of Dmitri Mendeleev. Great for cover lessons. Includes the following: Biography of Dmitri Mendeleev. Set of 12 questions based on the biography