Question

please answer this fastly guys

Answer 1

3.valency 1
L shell 8
4.figure d
K shell 2
5.valency 4
M shell 4
1.figure c
phosphorus
2.figure A
Neon gas
valency 0
L shell 8
6.element
X
Y
Z
atomic number
5
8
15
mass number
11
18
31
no.of electrons
5
8
15
K L M N
2 3
2 6
2 8 5
valency
3
2
3,5

Answer 2

3.valency 1
L shell 8