Lithium (Li) and oxygen (O) are both in period 2. They both have .
the same number of protons
...
Chemistry, 13.10.2020 18:01 shayla3613
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
Answers: 3
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