The answer is b
Protons and neutrons are both in the nucleus
Electrons are outside the nucleus
I Would think it would be C Since Humans can't live 500 years but then yet again it is light years not regular years i think if you find how man years is 500 light years the that could help you in finding the answer
<span>The lattice structure in a metal is weaker than the lattice structure of an ionic compound. This is because the metals have free electrons which can freely move around while ionic compounds are strongly bonded. Hope this answers the question.</span>
MgF2 is <span>Magnesium fluoride
hope this helps!</span>
, we need to supply it
to make it
.</em>
