Odpowiedzi

2009-12-07T20:30:42+01:00
A)
40/Ca
p+ = 20
e- = 20
n = 20
2,8,8,2

42/Ca
p+ = 20
e- = 20
n = 22
2,8,8,2

b)
36/Ar
p+ = 18
e- = 18
n = 18
2,8,8

40/Ar
p+ = 18
e- = 18
n = 22
2,8,8