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The first layer has two, since the maximum amount of electrons you may have in layer one are two, after the first layer you may have a maximum of eight electrons per layer, so layer one has two, layer two has eight, and layer 3 has a maximum of 18. To find the maximum number of electrons each layer can have do the equation 2(n2) n=number of layers

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13y ago
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14y ago

Calcium has 2 valence electrons, like all Group 2 elements.

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13y ago

Calcium has two valence electrons.

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6y ago

Calcium has the valence 2+.

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Q: How many valence electron calcium atom has?
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Related questions

How many valence electrons are found in calcium?

There are only 2 valence electron found in calcium.


How many valence electron does calcium have?

Calcium has 2 valence electrons, like all Group 2 elements.


How many valence electrons in a calcium atom?

2


How many valence electron are needed for an atom to be stable?

It depends on the atom. List what element the atom is from.


How many valence electrons does an atom of potassium have?

4


How many valence electrons does a neon atom electron have?

It has 8 valence electrons.


How many valence electron are in atom of phosphorus?

5


How many valence electron does an atom of neon have?

eight


Hydrogen has how many valence electrons?

One. A hydrogen atom contains only one electron, and it is a valence electron.


How many valence electron can any atom have?

The number of valence electrons depends on the atom and can vary from 1 to 8.


How many valence electrons are in calcium?

Calcium is a non metal element. There are 20 electrons in a single atom.


How many valence electrons ars transferred from tbe calcium atom to iodine in the formation of the compound calcium iodide?

The formula for calcium iodide is CaI2. This means that the calcium atom has transferred one electron to each of two iodine atoms, for a total of two electrons transferred.