68 313
Assignments Done
99%
Successfully Done
In November 2018

Answer to Question #49443 in Other Chemistry for Cheska Capistrano

Question #49443
What is the mass number if an atom that contains 9 protons and 10 neutrons
Expert's answer
Mass number is the number of protons + number of neutrons. So, we get9+10 = 19.

Need a fast expert's response?

Submit order

and get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!

Comments

No comments. Be first!

Leave a comment

Ask Your question

Submit
Privacy policy Terms and Conditions