There are 7 valence atoms
Answer:
neutral
Explanation:
There are three basic subatomic particles. These are;
- Protons (positively charged)
- Electrons (negatively charged)
- Neutrons (neutral)
A neutron has no charge unlike the proton and the electron. It is present in the nucleus and contributes to the mass of the atom.
Astatine. Because it has the smaller shell of electrons. I believe
It is protons that are involved for chemical bonding