Question

(a) Which element among sodium, rubidium, potassium and lithium is the most
electropositive element?
(b) Which element among chlorine, fluorine, bromine and iodine is most electronegative
in nature?
(c) lonic compounds formed by metals and non metals have high melting and boiling
points. Why?
(d) Write the name of a metal which has very low melting point.​

Answer 1

Answer:

a) lithium

b) Fluorine has the highest electronegativity.

c)Ionic compounds are solids and hard because of the strong force of attraction between positive and negative ions. Therefore, more energy is required to break the inter-ionic force of attraction.

d) Gallium

hope you understand.......