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calcium has 20 electrons.when it loses 2 electrons, it has 18 electrons.

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Q: A cation of calcium has a 2 plus charge how many electrons does it have?
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Related questions

If calcium is most happy with a charge of 2 how many electrons would it have?

The neutral atom of calcium has 20 electrons; the cation Ca2+ has 18 electrons.


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Calcium loses two electrons to form the cation Ca2+.


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This cation has 24 electrons.


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Calcium normally has 20 electrons. Because it has a plus 2 charge, it must have two less electrons. Therefore, the calcium ion has 18 electrons.


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Depends on how many electrons it gains. For every electron it gains, the atom becomes more negative. One electron gives it a -1 charge, 2 a -2 charge and so on


What is the correct formula for calcium dihydogen phosphate?

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