P-протоны,е-электроны,n-нейтроны
Nа: p=11 ,e=11 ,n=12
K: p=19, e=19, n=20
Li: p=3, e=3, n=4
F: p=9, e=9, n=10
Cl: p=17, e=17, n=18
Br: p=35, e=35, n=45
I: p=53, e=53, n=74
Ge: p=32, e=32, n=41
V: p=23, e=23, n=28
C: p=6, e=6, n=6
S: p=16, e=16, n=16
Mg: p=12, e=12, n=12
Al: p=13, e=13, n=14
U: p=92, e=92, n=146
Fe: p=26, e=26, n=30