Answer:
I think the answer is 3. Highest energy level first, so it fills in the inside rings first
What did u needed help with ? and what was the question?
<span>In crystallography, the terms crystal system, crystal family, and lattice system each refer to one ... In total there are seven crystal systems: triclinic, monoclinic, orthorhombic, ..... A polar crystal possess a "unique" axis (found in no other directions) such ... lattices in three dimensions; each can apply in one lattice system only.</span><span>
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Answer: the answer is B estimation
Explanation:
i just took a test
80
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100
or
4
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5
if u want the simplest terms