Answer:
true
Explanation:
in order for the atom to be neutral the number of protons and electrons have to be the same.
Because that is the outer ring.
Explanation:
Mole ratio of NH3 to NaNH2 = 2 : 2.
Moles of NaNH2 produced
= 4.3mol * (2/2) = 4.3mol.
For apex the answer is no solution
20.58 by using a calculator you can determine this, then round
