Match Items with Their Appropriate Chemical Description

Multiple Choice

Match items with their appropriate chemical description.
-The total number of protons and neutrons in an atom's nucleus​

A) NH₄⁺
B) molecule
C) electron
D) proton
E) neutron
F) pH
G) Ca
H) P
I) mass number
J) NO^3-
K) C₆H₁₂O₆