10 electrons.
The angular momentum quantum number is l (small L). This quantum number is dependant on the principal quantum number, and has values, 0 1,2 ..(n-1), where each value of n refers to a subshell known to chemists as follows
n= 0, s orbital; n=1, p orbital; n= 2, d orbital; n= 3, f orbital.
So we are looking at the d orbitals.
There are five d orbitals, with magnetic quantum numbers running from -l to +l, that is -2, -1, 0, +1, +2
Each of these can hold 2 electrons (with spin quantum numbers -1/2, +1/2)
So we have 10 electrons that can have pricipal quantum numbers of 4 and angular monmentum quantum number of 2.
2
A barium atom has two valence electrons.
Phosphorus (neutral atom) has 15 electrons.
Same amount as the Proton count - 18
elements in same group have the same number of valence electrons
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2
A barium atom has two valence electrons.
Gallium possess total inner electrons
Phosphorus (neutral atom) has 15 electrons.
The answer depends on who they are that possess rational numbers.
No. Electrons possess a negative charge, therefore an atom with an excess of electrons will have an overall negative charge.
Yes, as much as positive numbers do.
8 so then it is an Octet.
protons and electrons
4 electrons. First orbital is the 1s which has 2 electrons. Second orbital is the 2s which has 2 electrons.
Same amount as the Proton count - 18