What one characteristic of an atom determines what type of element it is?
Select one:
a. the number of neutrons.
b. the number of protons.
c. the mass number.
d. the atomic mass.

Question

What one characteristic of an atom determines what type of element it is?  
Select one:
a. the number of neutrons.
b. the number of protons.
c. the mass number.
d. the atomic mass.

anonymous · Answer

What do you think?

lukecrayonz · Answer

This is math

anonymous · Answer

I thought it was D but all of them seem like they can be the correct answer for some reason.

lukecrayonz · Answer

Anyhow, it is the number of protons.

anonymous · Answer

So B

lukecrayonz · Answer

Yes but neutrons can also but technically it is protons. Neutrons determine it but there are such things as isotopes.

anonymous · Answer

isotopes aren't different elements, however ^_^

anonymous · Answer

Yah, it's B

lukecrayonz · Answer

That's why you see things such as Rubidium 87, 92, 90

anonymous · Answer

ok thnx im putting up more