Question

Atomic numbers are given below. Write the electronic configuration, Valency, period
number, group number.
DJ AI (13) ) F (9) d) Ar(18)​

Answer 1

Answer:

a) Elements-Neon(Ne),Calcium (Ca),Nitrogen (N).Silicon (Si)

b) Group-18,2,15,14

c) Period-2,4,2,3

d) Electronic configuration-(2,8);(2,8,8,2);(2,5);(2,8,4)

e) Valency-0,2,3,4

Answer 2

symbol_name_group_period_elec-config'short'_elec-config'long'_valency

Al_Aluminium_group-3_period-3_2,8,3_1s2-2s2-2p6-3s2-3p1_'+3'

F_Flourine_group-17_period-2_2,8,7_1s2-2s2-2p5_'-1'

Ar_Argon_group-18_period-3_2,8,8_1s2-2s2-2p6-3s2-3p6_'0'