The protons in the atom determine what the atom is. It also determines the atomic number<span>. For example, hydrogen has one proton, so it the atomic number is one. Lithium has an atomic number of three because it has three protons.</span>
Answer:
all of the above
Explanation:
i got the answer right on cK-12
Hi, P.S. The atomic number will always be the same as the number of protons...
OD.......................
