Chemistry, 18.10.2021 18:50 wolfiewolffromsketch
A calcium atom has {Fill in the blank} valence electrons. It needs to transfer {Fill in the blank} electrons to oxygen to have a full outer shell. An oxygen atom has {Fill in the blank} valence electrons. It needs to accept {Fill in the blank} electrons from calcium to have a full outer shell.
After the transfer of electrons, calcium becomes an ion with a charge of {Fill in the blank} and oxygen becomes an ion with a charge of {Fill in the blank}.
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A calcium atom has {Fill in the blank} valence electrons. It needs to transfer {Fill in the blank} e...
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