A
when two atoms combine together they sharing electrons to form covalent bond
Answer:

Explanation:
Assume Ksp of
=
( it is general value ,i took it because not given in question)
molar solubilty means how much maximum mole of lead thiocynate is dissolved in one litre of solvent.
Ksp=solubility product;

Lets molar solubilty of
is S then
![[Pb^{+2}]=S;](https://tex.z-dn.net/?f=%5BPb%5E%7B%2B2%7D%5D%3DS%3B)
![[SCN^{-1} ]=2S;](https://tex.z-dn.net/?f=%5BSCN%5E%7B-1%7D%20%5D%3D2S%3B)



Answer:metals and non metals
Example
Ca and Cl form the ionic compound calcium chloride (CaCl2)
Answer: 2hqu
Explanation: because you have to add them