Lithium (Li) and oxygen (O) are both in period 2. They both have _____.
the same number of protons
two electron shells
the same number of electrons
similar properties
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Lithium (Li) and oxygen (O) are both in period 2. They both have _____.
the same number of protons
two electron shells
the same number of electrons
similar properties
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two electron shells will be the correct answer.
B: Two Electron Shells
Explanation:
Both Lithium and Oxygen have two electron Shells