When the difference between mass number and atomic number of atoms of two or more elements are same, the atoms are termed as (A) Isomers (B) Isotopes (C) Isobars (D) Isotones

When the difference between mass number and atomic number of
atoms of two or more elements are same, the atoms are termed as
(A) Isomers
(B) Isotopes
(C) Isobars
(D) Isotones
by

1 Answer

Answer :

(D) Isotones
by

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Number of atoms of He in 100 amu of He is : (Atomic mass of He is 4) :-

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Atomic mass is an atoms number of what?

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