Odpowiedź :
a)
protony = 29
elektrony = 29
neutrony = 65 - 29 = 36
nukleony = 36 + 29 = 65
b)
protony = 37
elektrony = 37
neutrony = 84 - 37 = 47
nukleony = 47 + 37 = 84
c)
protony = 48
elektrony = 48
neutrony = 113 - 48 = 65
nukleony = 48 + 65 = 113