When scientists look at these examples, what do they know about the atoms?
Carbon–12 Carbon–14

A. The number of neutrons in each atom is not the same.

B. The atoms have different properties.

C. One atom has more protons than the other.

D. Only one of the examples is an isotope.

Question

When scientists look at these examples, what do they know about the atoms?
             Carbon–12                Carbon–14
 
 A. The number of neutrons in each atom is not the same.
 
 B. The atoms have different properties.
 
 C. One atom has more protons than the other.
 
 D. Only one of the examples is an isotope.

anonymous · Answer

Wouldnt it be C?

anonymous · Answer

I thought that at first, but now I am thinking A.

anonymous · Answer

Depends on what those numbers stand for, protons or neutrons.

anonymous · Answer

Well, we know they are isotopes of Carbon and the 12 and 14 are mass numbers.  And all carbon atoms have the same number of protons.

anonymous · Answer

A