Question

Nomor massa unsur boron,kadmium,emas,besi,kripton,iodin,neon,uranium,perak,tembaga
tolong di jawab ya !

Answer 1

A. boron = 10,811
b. kadmium = 112,40
c. emas = 196, 967
d. besi = 55,847
e. kripton = 83,80
f. iodin = 126,904
g. neon = 20,183
h. uranium = 238,03
i. perak = 107,870
j. tembaga = 63,54

smg membantu :)

Answer 2

Boron (B) 10.811
kadmium (Cd) 112.40
emas (Au) 196.967
besi (Fe) 55.847
kripton (Kr) 83.80
iodin (I) 126.904
neon (Ne) 20.183
uranium (U) 238.03
Perak (Ag) 107.870
Tembaga (Cu) 65.37