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Why atomic number is considered more fundamental property than atomic mass ?

Posted by ?? Thakur 06 ???? 5 years, 10 months ago

CBSE > Class 10 > Science

2 answers

Shreya Dubey 5 years, 10 months ago

Beciz it solves the problem of isobars in the peiodic table ,assigns hydrogen correct position in mordern periodic table.

1Thank You

Yogita Ingle 5 years, 10 months ago

Atomic number of an element is numerically equal to the number of electrons round the nucleus.
The number of electrons in turn is equal to the number of protons in the nucleus.
Atomic number is a more fundamental property of an element than its atomic mass because when the elements are arranged in the increasing order of their atomic number, most of the defects of Mendeleev's classification get rectified.

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CBSE > Class 10 > Science