What are in the energy levels that surround the nucleus of an atom?
1 answer:
Electrons are the thing in the outer energy levels
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The rock is limestone, I hope this helps!!
Answer:
that's is a theory
Explanation:
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Group 16 is the correct answer!
4li + o2 ----> 2li2o
8 x
cross multiply 8x2 ÷ 4x
x=4
the answer is 4
