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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
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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

User Sarvex
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4.7k points

1 Answer

7 votes
Al- 28
B- 11
C- 14
Sc- 46
Na- 24
Mass number= proton+neutrons
User Antonio Favata
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5.4k points
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