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31-01-2021
Chemistry

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Pllllllsssssssssss helpppp Determine the Mass Number of the Following Elements:
Al - 13 Protons 15 Neutrons

B - 5 Protons 6 Neutrons

C - 6 Protons 8 Neutrons

Sc - 21 Protons 25 Neutrons

Na - 11 Protons 13 Neutrons

Respuesta :

sdelaney0123 sdelaney0123

31-01-2021

Al- 28
B- 11
C- 14
Sc- 46
Na- 24
Mass number= proton+neutrons

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