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How many valance electrons are found in a atom of each what elements Helium?
Helium has two valence electrons
How many elements within a row different?
They have different numbers of valance electrons
How many valance electrons do most elements need to have a stable electron configuration?
8 valance electron
What has 5 electrons in its outer shell?
If you are talking about the valance electrons any elements in group 5 on the periodic table will have 5 valance electrons.
How can the number of valence electrons be determined from the periodic table?
By looking at the group number you can tell how many valance electrons there are ex: Group 1= 1 valance electrons Group 2-12= 2 valance electrons Group 13= 3 valance electrons Group 14= 4 valance electrons Group 15= 5 valance electrons Group 16= 6 valance electrons Group 17= 7 valance electrons Group 18= 8 valance electrons
How many valance electrons does halogen have?
Halogens are group 17 elements. They have 7 valence electrons.
How are elements within row different?
They have different numbers of valance electrons
How many valance electrons does Barium have?
Two.
How many valance electrons are found in an atom what elements Neon?
there are 8 electrons in the valence shell of neon
How many electrons are in oxygen's outer level?
The word "valance" is used to describe electrons in the outer-most energy level of an atom. Oxygen has six valance electrons.
How many valance electrons are found in an atom of each what elements Neon?
there are 8 electrons in the valence shell of neon
What elements have 2 valance electrons?
The entire Group 2A has 2 valence electrons; this includes sodium and calcium.
