1. An atom that loses or gains electrons is called a(n)____.

isotope
proton
neutron
ion***

2.Which subatomic particles are most involved in chemical bonding?
protons
electrons***
neutrons
isotopes

3.The main types of chemical bonds are___.
ionic, covalent, and metallic***
ionic,compound, and metallic
isotopic, covalent, and metallic
ionic, covalent, and nonmetallic

2 answers

correct.
thank you!