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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 ​

Respuesta :

Answer:

So Lithium (Li) and Oxygen (O) are both have two electron shells

Explanation:

gabriellamercury

Answer:

Lithium (Li) and oxygen (O) both have two electron shells.

Explanation:

Answered correct on my test.

Also I'm aware you asked this around 4 months ago although I still wanted to answer so those who may need an answer in the future can reflect on this response and get the correct answer they deserve. Thanks! Happy New Year everyone. <3

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