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Depends on what you mean by number of electrons. Calcium has 20 electrons and oxygen has 8 electrons for a total of 28 electrons. But if you mean how many VALENCE electrons, then the calcium has 2 and the O has 6 for a total of 8 valence electrons.

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6y ago
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11y ago

There are no valence electrons in calcium ion and eight in oxide ions.

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13y ago

Calcium Oxide is CaO and thus has 1 atom each of calcium and oxygen and thus a total of two atoms.

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8y ago

This depends on the isotopes of calcium and oxygen considered.

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Q: How many neutrons are in calcium oxide?
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Related questions

How many neutrons are in calcium -41?

Calcium-41 has 21 neutrons.


How many neutrons does calcium 40 have?

20 neutrons


How many new neutrons in calcium?

The most stable isotope, calcium-40 has 20 neutrons.


How many elements are in calcium oxide?

Just two: calcium and oxygen.


What is calcium oxide?

calcium oxide is calcium combine whit oxygen


How many nuetrons and electrons does calcium have?

calcium has 20 neutrons and electrons


How many protons and neutrons are in the nucleus americum oxide?

There are 214 protons and neutrons in the molecule.


What does calcium oxide mean?

CaO is calcium oxide


Is calcium oxide illegal?

Calcium oxide is legal.


What is the word equation for extraction of calcium from calcium oxide by electrolysis?

calcium oxide --> calcium + oxygen


What is the name of CaO?

The chemical name for CaO is Calcium Oxide.The common name for calcium oxide is quick lime.


How much elemental Calcium is there in Calcium oxide?

Calcium (elemental Ca)= Calcium Oxide x 0.715 so very approx 70% of Calcium Oxide is Calcium in the elemental form.