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The mass number is always found by: protons + electrons protons + neutrons neutrons + electrons protons + neutrons + electrons

The mass number is always found by: protons + electrons protons + neutrons neutrons + electrons protons + neutrons + electrons
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5 votes
The mass number is always found by:

protons + electrons
protons + neutrons
neutrons + electrons
protons + neutrons + electrons

User Jarrod Funnell
by
7.3k points

1 Answer

5 votes

Answer: The answer is protons + neutrons!

Explanation: mass number = protons + neutrons.

Have a great day!

User Phkoester
by
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