1. protons plus neutrons
2. proton number
3. neutral charge
4. positive charge
5. smallest particle to retain characteristics
6. negative charge
atomic mass
atom
electron
proton
neutron

1 protons plus neutrons  ~Atomic mass

2 proton number( Atomic number )

3 neutral charge~Neutron

4 positive charge~proton

5 smallest particle to retain characteristics  ~atom

6 negative charge~electron

yes

explanation:

search chemistry final b exam in google and a site called quizlet will pop up

i think its 5049.

i hope this !