Medium
Which one of the following statements for $D.I.$ Mendeleev is incorrect?
- AAt the time he proposed the Periodic Table of elements,the structure of the atom was known.
- BThe element with atomic number $101$ is named after him.
- CHe invented an accurate barometer.
- DHe authored the textbook $-$ Principles of Chemistry.
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Write a note on the genesis of the periodic table.
Why do we need to classify elements?
Medium
View SolutionFill in the blanks given below:
$(i)$ The first scientist to think about the properties of elements was ......... .
$(ii)$ The relationship of properties of elements suggested by Dobereiner is known as ........... .
$(iii)$ The Law of Octaves was proposed by the chemist ......... .
$(iv)$ The first periodic table was constructed by .......... and .......... .
$(i)$ The first scientist to think about the properties of elements was ......... .
$(ii)$ The relationship of properties of elements suggested by Dobereiner is known as ........... .
$(iii)$ The Law of Octaves was proposed by the chemist ......... .
$(iv)$ The first periodic table was constructed by .......... and .......... .
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View SolutionWho stated that the properties of elements are a periodic function of their atomic number?
Easy
View SolutionWhich important property did Mendeleev use to classify the elements in his periodic table and did he stick to that?
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