210 ÷ 7 = 30
5.28751 7s equals 37.
There is one 7s orbital with two sub-orbitals: 7s(+1/2) and 7s(-1/2) . A picture of this 7s orbital is in 'Related links'
The prime factorisation of 210 is 2*3*5*7.Therefore all factors of 210 are 2p*3q*5r*7s where each of p, q, r and s can be 0 or 1.
Two electrons (each with opposite spins) in the '7s orbital'
8
80.
18
5
14
10
6