After the transfer of electrons, calcium becomes an ion with a charge of Fill in the blank text field 5

Biology

1 answer:

pychu [463]3 years ago

8 0

Answer:

Calcium becomes an ion with a charge of 2+

Oxygen becomes an ion with a charge of -2

Explanation:

since calcium lost two electrons, it has 20protrons, but only 18 electrons. this makes calcium a positive ion with a charge of 2+

An oxygen molecule consists of two oxygen atoms that have a double bond between each other and share valence electrons. the oxygen ion is formed when the atom of oxygen gains two valence electrons. this results in an oxygen ion with a charge of -2

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