Lab class- explain what
“%error= a. v - e. v.
over times 100
a. v.
means?

They are all in a iving organism.

The proton has a positive charge while the neutron has no charge they both make up the nucleus of the atom while the elections have a negative charge and surround the nucleus of the atom. the protons and electrons are used to calculate the atom's mass whereas the neutrons don't affect the mass