mmartin6382 mmartin6382

25-08-2021
Chemistry

contestada

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

Respuesta :

kayleighcaulder67 kayleighcaulder67

25-08-2021

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

Answer Link

manamoto13 manamoto13

25-08-2021

Answer:

The mass number is 7

Explanation:

mass number = protons + neutrons

= 3 + 4

= 7

Answer Link

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