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Author Question: Two atoms appear to have the same mass number. These atoms A) must have the same (Read 4153 times)

Hawke

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on: May 25, 2013
Two atoms appear to have the same mass number. These atoms
A) must have the same atomic number.
B) must have the same number of electrons.
C) must have the same chemical properties.
D) must have the same number of protons + neutrons.
E) must have the same atomic number, the same number of protons + neutrons, the same number of electrons, and the same chemical properties.


coco

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Reply #1 on: May 27, 2013
Answer: D


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