You can find an element's amount of energy level by determining their place on the periodic table. An element's amount of energy levels are represented by which period/ row they are in. For example, Calcium has 4 energy levels. I know this because it is in the fourth period on the table.
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I think B or D because an eye obviously doesn't have a lense, mirror..maybe sorry for not giving u straight forward response
Answer:
the atoms have more valence electrons
Explanation:
2 electrons. it has electron configuration of 2.8.8.2 hence the last 2 will be lost for it to gain stable.
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Answer:
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Explanation:
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