Tolong bantu jawab:​

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Tolong bantu jawab:​

Tolong bantu jawab:​

1. A. Proton=24,

neutron= 54-24=30,

elektron=24-2=22

B. Proton = 18

neutron = 40-18 = 22

elektron = 18

C. Proton = 83

neutron = 209-83 = 126

elektron = 83+3=86

D. Proton = 37

neutron = 85-37=48

elektron = 37

E. Proton = 35

neutron = 80-35=45

elektron = 35+1=36

F. Proton = 27

neutron = 58-27 = 31

elektron = 27-2 = 25

2. A. 16O8 dan 15O8

B. 85K37 dan 20Ne10

C. 13C6 dan 13N7

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