Answer:
Option D is good to go!
Explanation: as per the reactivity series more reactive substances will react with the counterpart substance.The most reactive substance here is calcium while the least reactive is aluminium, the magnesium comes in between.As per their reactivity, these substances will react with oxygen.
Explanation:
Answer:
The electron configuration for a
Mn3+ ion is [Ar]3d4
Explanation:
Polar liquids have both negative and positive ends.
I think the answer is genotype.
