Seudónimo Seudónimo
  • 09-10-2016
  • Physics
contestada

what is the mass number of an atom with 3 protons, 4 neutrons, and 3 electrons

Respuesta :

SJ2006
SJ2006 SJ2006
  • 09-10-2016

Mass number = no. of protons + no. of neutrons

 so, it would be, 3+4 = 7

Answer Link

Otras preguntas

What is the diffrent between displesment and a distance
How do u do 2x-y=17 X-y=10
what are the 4 types of bonds carbon can form
What is the river that forms a border between Argentina and Uruguay?
Write one complete sentence to describe a situation in which coordinate planes might be used in the real world .
How do I create a 3D Non-Paper Map of the Western Cattle Trails? I have a project where I have to create a 3D map of the western cattle trails with using any ma
After the Civil War, the South had to reinvent its economy because?
You have a photo with the exercise...
Which labor union limited membership to skilled craftspeople and focused on economic reforms?
what is 0.55 as a fraction in it's simplest form?