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) NO3-
K) C6H12O6
Correct Answer:

Verified
Correct Answer:
Verified
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