FREE Homework Help
Ask your homework question and get help from others
Help friends with their homework problems
Ask YOUR question:

An atom has a mass number of 43 and it also has 21 electrons. How many protons does this atom have?

0 votes

An atom has a mass number of 43 and it also has 21 electrons. How many protons does this atom have?

asked 3 years ago in Chemistry by anonymous

Looking for MORE solutions? SHARE this question:
  

1 Answer

0 votes

identity: Technetium.

21 protons.


22 neutrons.

answered 3 years ago by chronodev (2,350 points)

Related questions