Question

2.
Modern periodic table is based
on the
(a) atomic mass
(b) mass number
(c) atomic number
(d) atomic volume
​

Answer 1

Answer:

atomic mass. is the correct answer

Explanation:

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Answer 2

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(A) Atomic Mass

EXPLANATION:

Modern periodic table is based on the Atomic Mass because it is an average of the various isotopes of an element.

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