Why the metallic character of alkali metals increase down the group?

Account for the following: the acidic strength of the hydrides of group 16 elements increases down the group.

Write a short note on uses of alkali metals.

Why S-block elements are called alkali metals.

Write down the characteristics of metal oxides.

Why the stability of higher oxidation state of the 14th group elements decrease down the group?

what happenes to metallic character as we move from left to right across a period

The resistance of a metal increases with a decrease in temperature.