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This is a chemical element. You can find the how many electron in a single atom by using a Periodic Table.
What else can I help you with?
How many valence electrons are in alkali metals?
one valence electrons
What ions does not have a noble gas electron configuration S 2 Sr 2 you Cs or Be 3?
Be3+ has only 2 valence electron and not 8.
How many valence electron does an excited potassium electron have?
one electron
How many valence electrons do Rb have?
Rubidium has one valence electron in the 5s orbital.
How many valence electrons does potassuim have?
Potassium has 1 valance electron.
Which pair of atoms will have the same valence-shell electron configuration Se and Te Sr and Cs N and O H and He?
Se and Te will have the same valence-shell electron configuration as they are both in the same group (group 16) and have 6 valence electrons. Sr and Cs will have different valence-shell electron configurations as Sr is in group 2 with 2 valence electrons and Cs is in group 1 with 1 valence electron. N and O will have different valence-shell electron configurations as N has 5 valence electrons while O has 6. H and He will have different valence-shell electron configurations as H has 1 valence electron and He has 2.
How many valence electron does alkali metals have?
Alkali metals have one valence electron.
Hydrogen has how many valence electrons?
One. A hydrogen atom contains only one electron, and it is a valence electron.
How many valence electrons are in alkali metals?
one valence electrons
What ions does not have a noble gas electron configuration S 2 Sr 2 you Cs or Be 3?
Be3+ has only 2 valence electron and not 8.
How many valence electron does an excited potassium electron have?
one electron
How many valence electrons do Rb have?
Rubidium has one valence electron in the 5s orbital.
How many valence electrons does potassuim have?
Potassium has 1 valance electron.
How many electron valence does beryllium have?
The valence of beryllium is two.
How many the valence electron of xenon?
There are no valence electrons.
How many valence neutrons are in radium?
Radium has one valence electron.
How many valence electons does francium have?
Francium has one valence electron.
