Answer:
There are 6 atoms of oxygen in 2Ca(NO3)2
D. 18 as the elements in this group are the noble gases which exist as monoatomic elements with a full outer shell
Answer:
a) is correct.......,.....
The major ionic species present in aqueous solution of sodium sulfate is
2 Na+ and SO4^2-
<u><em>explanation</em></u>
When electrolyte dissolve in water they dissociate into ions.
There are two type of electrolyte that is strong and weak electrolyte.
Sodium sulfate is a strong electrolyte and therefore it dissociate completely into ions as below
Na2So4 → 2 Na+ (aq) + So4^2- (aq)
Answer:
Crystalline Solid
Explanation:
Rock, sand, metals, salts, etc. are some examples of polycrystalline solids. It is the opposite extreme of a single crystal. These types of solids have neither reticular nor granular structure