If a neutral atom of oxygen has 8 protons, 8 electrons, and 7 neutrons, what number is the mass number of this atom? A. 8 B. 15 C. 16 D. 23

asked Jun 4, 2018 213k views

0 votes

If a neutral atom of oxygen has 8 protons, 8 electrons, and 7 neutrons, what number is the mass number of this atom?

A. 8
B. 15
C. 16
D. 23

8.4k points

0 Comments

Please log in or register to add a comment.

2 votes

mass number = number of protons + number of neutrons

mass number= 8 + 7= 15 ---> the answer is B.

Libelle answered Jun 11, 2018

7.7k points

0 Comments

Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.