if I'm not mistaking it would be the second option
Atoms are made up of protons , electrons and neutrons ..,, Atoms of the same element with different number of neutrons are called isotopes. Saying that substance “contains only one type of atom “ really means that it contains only atoms that all have the same number of protons .
Answer:
I think B..
Explanation:
It is the sharing of electrons from one atom to another .
Answer:
Explanation:
i don't know if this is 100% correct but i think it's inertia