What is the mass number of a cobalt atom that has 27 protons and 30 neutrons?

asked Dec 22, 2021 104k views

5 votes

What is the mass number of a cobalt atom that has 27 protons and
30 neutrons?

8.7k points

Please log in or register to add a comment.

7 votes

Mass number is 57 since you add the 27 protons and the 30 neutrons

8.2k points

4 votes

Answer:

all u need to do is this 27 + 30 = 57.

Step-by-step explanation:

Bill Brooks answered Dec 25, 2021

8.8k points

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

9.3m questions

12.0m answers