STD 10 SCIENCE – NOTES

SCIENTISTS

Dmitri Mendeleev

Dmitri Ivanovich Mendeleev 8 February 1834 – 2 February 1907 BIO Dmitri Ivanovich Mendeleev was a Russian chemist and inventor. He is best remembered for formulating the Periodic Law and creating a farsighted version of the periodic table of elements. He used the Periodic Law not only to correct the then-accepted properties of some known elements, … Continue reading Dmitri Mendeleev

Henry Moseley

Henry Moseley 23 November 1887 – 10 August 1915 BIO Henry Gwyn Jeffreys Moseley was an English physicist, whose contribution to the science of physics was the justification from physical laws of the previous empirical and chemical concept of the atomic number. Henry Moseley was born in Weymouth in Dorset in 1887. Moseley had been … Continue reading Henry Moseley

John Newlands

Johann Wolfgang Dobereiner 26 November 1837 – 29 July 1898 BIO John Alexander Reina Newlands was a British chemist who worked concerning the periodicity of elements. Newlands was born in London in England, at West Square in Lambeth, the son of a Scottish Presbyterian minister and his Italian wife. Newlands was the first person to … Continue reading John Newlands

Johann Wolfgang Dobereiner

Johann Wolfgang Dobereiner 13 December 1780 – 24 March 1849 BIO Johann Wolfgang Döbereiner was a German chemist who is best known for work that foreshadowed the periodic law for the chemical elements, and for inventing the first lighter, which was known as the Döbereiner’s lamp. He became a professor of chemistry and pharmacy at … Continue reading Johann Wolfgang Dobereiner

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SCIENCE
SOCIAL SCIENCE
ENGLISH
MATHEMATICS
HINDI
GUJARATI
COMPUTERS

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