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The number of valence electrons is the same number as the column of on the Periodic Table. Hydrogen has one, Calcium has two, etc. However, Helium may only have 2 and is an exception and Boron only wants 6 to fill its octet.
Wiki User
∙ 13y ago
Wiki User
∙ 15y agoThe valence of an atom depends on the element type. For example, the valence for Carbon, a group 14 element, is four.
Wiki User
∙ 14y agoValence is a concept relating to the formal charge of the atom; it isn't "composed" of anything.
Wiki User
∙ 12y agoThe number valance electrons are not same in all elements. The number electrons present in the last shell refers to valence electrons.
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How many valence electrons are in an atom of magnesuim?
There are 2 valence electrons in an atom of magnesium. There are 5 valence electrons that are in an atom of phosphorus. There are 4 valence electrons that are in a silicon atom.
How many valence electrons does a neutral strontium atom have?
Two valence electrons
How many electrons in the valence shell of sulfur?
There are 6 valence electrons in the sulfur atom.
How many valence electrons does CH3CO-OH have?
Through covalent bonding, the nitrogen atom will have 8 valence electrons, the hydrogen atoms will each have 2 valence electrons, and the chlorine atom will have 8 valence electrons.
How many valence electrons in chlorine-37?
In every chlorine atom, there are seven valence electrons.
How many valence electrons are present in the atom Nb?
5 valence electrons
How many valence electrons are present in an atom of bromine in the ground state?
5 valence electrons exist in bromine period, at ground state bromine has 3 valence electrons
How many valence electrons are in an atom of magnesuim?
There are 2 valence electrons in an atom of magnesium. There are 5 valence electrons that are in an atom of phosphorus. There are 4 valence electrons that are in a silicon atom.
How many pairs of valence electrons are present on the boron atom in BF3?
3 pairs
How many valence electrons does a nitrogen atom have then a carbon atom?
nitrogen has 5 valence electrons. carbon has 4 valence electrons.
How many valence electrons does an atom of barium possess?
A barium atom has two valence electrons.
How many valence electrons would be found in an atom of chlorine?
A chlorine atom has 7 valence electrons.
How many valence electrons are in a chlorine atom and a chloride ion?
There are 7 valence electrons in chlorine atom and 8 valence electrons in chloride ion.
How many valence electrons does Fluorie have?
Fluorine atom has seven valence electrons.
How many valence electrons are in the lead atom?
There are 4 valence electrons in lead.
How many valence electrons does a neon atom electron have?
It has 8 valence electrons.
How many valence electrons does a neutral strontium atom have?
Two valence electrons
