Question

plwase tell me the answer very urgently in need itt​

Answer 1

Answer:

A= phosphorous (P)

B= Telurium(Te)

C=Antimony (Sb)

Explanation:

......hope it helps

Answer 2

Answer:

(a) electronic configuration of A=2,8,7

since it attain the nearest Noble gas configuration so it doesn't lose the electron so it is a non metal

(b) because size increase left to right due to effective nuclear charge

(c) because it only gain 1 electron

Explanation:

hope it helps you