Question

what is electropositivity

Answer 1

Usually in chemistry we refer to electronegativity, which is the tendency to attract electrons. Electropositivity is just the opposite -- the tendency to gife off electrons. You will likely work mainly with the idea of electronegativity.

Answer 2

electropostivity is tenedency of an atom to donate or just give out electrons
electronegativity is tenednce of an atom to accept or just to gain electrons :)