If an atom contains 3 protons, 4 neutrons, and 3 electrons, its mass number is a. 3. b. 4. C. 7. d. 11.

asked Nov 23, 2020 9.4k views

2 votes

If an atom contains 3 protons, 4 neutrons, and 3

electrons, its mass number is
a. 3.
b. 4.
C. 7.
d. 11.

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4 votes

C. 7
protons + neutrons = mass number

Ashoor answered Nov 24, 2020

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5 votes

Answer:

the answer is C 7

Step-by-step explanation:

SOK answered Nov 28, 2020

by SOK

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