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Mendeleev classified elements in - a) …

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Mendeleev classified elements in - a) increasing order of atomic group b) eight periods and eight groups c) seven periods and nine groups d) eight periods and nine groups

Posted by Chhavi ? 6 years ago

CBSE > Class 10 > Science

4 answers

Mohammad Saifullah 6 years ago

0Thank You

Arya Magade 6 years ago

Mendleev classified elements according to the increasing order of their atomic masses. So I think the answer is option ( a ) .

1Thank You

Chhavi ? 6 years ago

I've checked it and I am also confused about this. Actually it is the question of sample paper given by cbse and the answer given is option (c)

0Thank You

Parishi Thada 6 years ago

I think it is (a) because Mendeleev classified them in eight groups and seven periods and there is no such option. I suggest you to please check the question one more time because in his table elements are arranged in increasing order of atomic mass.

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