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1
Q:

Atoms of the same element can differ in

A) Atomic number B) Atomic mass
C) electrons D) None of the above

Answer:   B) Atomic mass



Explanation:

Atoms of the same element can have same atomic number and number of electrons since, the atomic number is the number of protons and the number of protons and eectrons are the same in an element.

 

Hence, the atoms of the same element may differ in their atomic mass since it depends on the number of neutrons it holds and such atoms are called isotopes.

Subject: Chemistry
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