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35 votes
35 votes
Mass number symbol =

User Ken Bonny
by
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2 Answers

15 votes
15 votes

Answer:

The letter A

Step-by-step explanation:

20 votes
20 votes

Answer:

A is the symbol of mass number.

Step-by-step explanation:

→ Mass number (A) = Protons + Neutrons

It is the required formula. The symbol of the mass number is A.

User Jonny Lin
by
3.4k points