Answer:
28
Explanation:
it states that the atom is neutral, meaning the number of electrons and protons are the same. so if there are 13 electrons, there are 13 protons. And the mass number is neutrons plus protons. So 13+15 is 28
Answer:
4. they have the same number of protons
Explanation:
while all the other particles and attributes can be changed, protons cannot.
Answer:
Following laboratory safety guidelines minimizes the chance of lab accidents.
Explanation:
Answer:
I Believe it is 4 orbitals s,p,p,p or aka sp^3
Explanation: