Question

4. Select the odd one with reasons.
a. Fe, Cu, Al, Zn, Mg
b. AgNO3, Cu(NO3)2, KNO3, Pb(NO3)2, Zn(NO3)2
c. C, CO, CO2, CO3
d. MnO4, PO4, SO4, Cr04
e. Neutron, Argon, Krypton, Helium.

Give the answer ​

Answer 1

Answer:

e is odd

Explanation:

because neutron is not any element