8. What is the mass number of an atom that has 12 neutrons and 11 protons? A 11 B 24 C 23 D 12

asked Dec 18, 2021 90.6k views

2 votes

8. What is the mass number of an atom that has 12 neutrons and 11 protons?

A 11
B 24
C 23
D 12

5.9k points

Please log in or register to add a comment.

6 votes

C 23 is the mass number

Fahad answered Dec 20, 2021

by Fahad

6.1k points

3 votes

Answer:

C. 23

Step-by-step explanation:

The mass is made up by the proton and nuetrons,

12+11=23 your atomic mass

Evalsyrelec answered Dec 24, 2021

6.0k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

6.5m questions

8.7m answers