Alondra1393
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Atom X contains seven protons and seven neutrons. Atom Z contains seven and eight neutrons. Which of the following statemenats correctly describes the two atoms?

A.They are isotopes

B.They are radioactive

C.They are atims of different elements.

D. They have the same mass number


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lixxx88

Answer:

A. They are isotopes.

Explanation:

An isotope is an element with the same number of protons but different number of neutrons resulting in a varied mass number/molecular weight.

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