Give reasons for the following :
Metals replace hydrogen from dilute acids whereas non-metals do not.

Explain why metals replace hydrogen from acids, whereas nonmetals do not.

Give reasons for the following : (i) Metals are good conductors of electricity whereas non-metals are not. (ii) Ionic compounds have usually high melting and boiling points.

Metals displaces hydrogen gas from dilute acids. This is an example for

Most of transition metals can displace hydrogen from dilute acids. Why?

Most of the transition metals do not displace hydrogen from dilute acids, why ?

State two metals which displace hydrogen from dilute acids and two metals which do not do so.

The metal that does not displace hydrogen from dilute acids is

Give reason for the following: Non metals do not form positively charged ions.