The atomic number of an element is 19. Which is true of this element?

A.
Each atom has 19 neutrons.

B.
Each atom has an atomic mass of 19.

C.
Each atom has 19 protons.

D.
Each atom forms 19 ions.

Question

The atomic number of an element is 19. Which is true of this element? 	
	
 
A.
	Each atom has 19 neutrons.
	
 
B.
	Each atom has an atomic mass of 19.
	
 
C.
	Each atom has 19 protons.
	
 
D.
	Each atom forms 19 ions.

wolfe8 · Answer

Atomic number is the number of protons.

anonymous · Answer

Sorry I thought I was in the chemistry studying place.

anonymous · Answer

So then 19 protons?

wolfe8 · Answer

It's fine. And yes. http://en.wikipedia.org/wiki/Atomic_number

anonymous · Answer

Thanks again your my superman! ;)

wolfe8 · Answer

Haha you're welcome. I don't usually say this but, it'd be cool if you can thank me in this month's blog entry.