What is the mass number of an atom with 3 protons, 4 neutrons, and 3 electrons

asked Aug 13, 2022 209k views

3 votes

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7 votes

Answer:

The mass number is 7

Step-by-step explanation:

mass number = protons + neutrons

= 3 + 4

= 7

Larry Lane answered Aug 14, 2022

4.7k points

5 votes

Protons + neutrons is how you find the mass number I believe. 7 is the mass number

DexterHaxxor answered Aug 16, 2022

4.6k points

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