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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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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 atoms in calcium oxide?

Calcium oxide has the chemical formula CaO, which consists of one calcium atom and one oxygen atom. So, there are a total of 2 atoms in calcium oxide.


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Just two: calcium and oxygen.


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

The word equation for the extraction of calcium from calcium oxide by electrolysis is: Calcium oxide (solid) -> Calcium (liquid) + Oxygen gas.


How many nuetrons and electrons does calcium have?

calcium has 20 neutrons and electrons


What is calcium oxide?

calcium oxide is calcium combine whit oxygen


How much elemental Calcium is there in Calcium oxide?

There is no elemental calcium in calcium oxide. Calcium oxide is a compound made up of calcium and oxygen atoms bonded together. When calcium oxide reacts with water, it forms calcium hydroxide, which contains calcium ions but not elemental calcium.


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

There are 214 protons and neutrons in the molecule.


Is calcium oxide illegal?

Calcium oxide is legal.


What does calcium oxide mean?

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What is the word equation for calcium plus iron oxide?

The word equation for calcium plus iron oxide is: calcium + iron oxide → calcium oxide + iron. In this reaction, calcium displaces iron in iron oxide to form calcium oxide and elemental iron. This type of reaction is known as a displacement reaction, where a more reactive element displaces a less reactive element in a compound.