Nitrogen atoms have two core electrons.
2,8,18,7... 28 core electrons 7 valence electrons.
well core electrons is the number of total electrons minus valence electrons so.......Phosphorus has 18 electrons and 5 valence electrons so 18 - 5 = 13 so there are 13 core electrons
Phosphorus has 15 electrons per atom. Out of those, 5 are valence electrons. That means phosphorus has 10 core electrons.
it has 2 electrons i think you can tell by subtracting both numbers together
This is a chemical element. You can find the how many electron in a single atom by using a periodic table.
Take carbon as an example.Carbon, indicated by it's atomic number, has 6 electrons. The number at the top of carbon's group is the number of valance electrons. Carbon has 4 valance elections.6 total electrons - 4 valance electrons= 2 core electrons in carbon=====================(try another element yourself to see this process )
Oxygen as 2 core electrons and 6 valence electrons.
Oxygen has 6 core electrons.
Germanium has 28 core electrons.
Tin has 46 core electrons.
Oxygen as 2 core electrons and 6 valence electrons.
Nitrogen atoms have two core electrons.
Oxygen has 6 core electrons.
Silicon has a total of 10 core electrons and 4 valence electrons.
if its not an ion it has 6
2,8,18,7... 28 core electrons 7 valence electrons.