PLEASE HELP!!
sorry for the low points i only have 11 :c

Match the correct term with the definition

1.
Atomic Mass

2.
Neutron

3.
Atomic Number

4.
Proton

5.Isotope

1.the positive particle in the nucleus of an atom


2.the number of  protons an atom has

3.protons + neutrons in the nucleus of an atom


4.the neutrally charged element in the nucleus of an atom

5.an atom of an element that has a different number of neutrons that the standard atom of that element