Question

The number of protons in an atom. *
1 point
a. halogens
b. noble gases
c. group (family)
d. atomic mass
e. atomic number
f. electron
g. heterogenous mixture
h. pure substance
i. neutron
j. metalloid
k. homogeneous mixture

Answer 1

Answer:

e. atomic number

Explanation:

e. atomic number ......