Argon has 10 core electrons. Subtract the amount of valence electrons from your total amount of electrons. 18-8= 10
The energy of the valence electrons is greater then the energy of the core electrons.APEX
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electrons that are closer to the nucleus!..apex//
28 electrons Nickel atoms have 28 electrons and the shell structure is 2.8.
Radium has 86 electrons.
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.
2,8,18,7... 28 core electrons 7 valence electrons.
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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