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Help plz I need it as soon as possible

Help plz I need it as soon as possible
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1 vote
Help plz I need it as soon as possible

Help plz I need it as soon as possible-example-1
User Alcamtar
by
9.5k points

1 Answer

3 votes

Answer:

3)a) Mass Number

b) Valence Shell

c) James Chadwick

d) Electron

e) Nucleus

User Shakti Singh
by
8.1k points
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