Register
What’s the mass number for this atom
114k views
3 votes
What’s the mass number for this atom

What’s the mass number for this atom-example-1
User RemusS
by
7.1k points

1 Answer

2 votes

Answer:

169

Step-by-step explanation:

Mass number is the number of protons and the number of neutrons combined.

70 + 99 = 169

User Quinten C
by
6.4k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

7.8m questions

10.5m answers

Other Questions

Compare and contrast an electric generator and a battery??
How do you balance __H2SO4 + __B(OH)3 --> __B2(SO4)3 + __H2O
Can someone complete the chemical reactions, or write which one do not occur, and provide tehir types? *c2h4+h2o *c3h8 + hcl *c2h2+br2 *c4h10+br2 *c3h6+br2
As an object’s temperature increases, the ____________________ at which it radiates energy increases.
Why is gold preferred as a superior metal over silver and bronze?
Link Copied!