The answer is caso4 and ca(C2H3O2)2
Particles are dissolved
Light beam passes through invisibly
Brownian movement is not discernible
I have gotten these answers checked and they are right.
Nickle (II) sulfite - b/c the charge on Ni can be +2 or +3 i Believe. SO3 has a charge of -2 the you need nickel II (+2) to make a proper ionic bond
No it’s ionic bond, because Na+ and cl-
