Write down the quantum numbers of sodium chlorine and magnesium
Answers
Answered by
0
The atomic number of magnesium is 12.
Therefore, the last filled orbital is the 3s orbital with two electrons pairing up.
Therefore, n = 3 (principal energy level for 3s) and l = 0 (for s orbital). For an electron, the spin is always 1/2.
Therefore,
n = 3, l = 0, s = 1/2 are the quantum numbers.
Similar questions