Question

Please answer fast
Select the order based on decreasing atomic size

Silicon (Z= 14), Sodium (Z= 11), Chlorine (Z = 17) , Aluminium (Z=

13)

(a) Si>Na>Cl>Al

(b) Na>Cl>Al>Si

(c ) Na>Al>Si>Cl

(d) Si>Al>Cl> Na ​

Answer 1

Si = 14

Na = 11

Cl = 17

Al = 13

decreasing order is

Cl›Si›Al›Na