Answer the following questions (Part A,

Question

Answer the following questions (Part A, B and C) for N, P, and As.
(A) Calculate the effective nuclear charge for each N, P and As for the outmost
electron. (10 pts)
(B) Based on effective nuclear charge arrange N, P and As on increasing order
of sizes (5 pts)
(C) Arrange N, P and As on increasing order of ionization energies. (5 pts)

Kunduz · Accepted Answer

7N
Z
3
Za
ap
6-P
3345
7
15
33
Leffe
valaurce election,
2,5
sis, 254, 25
218,5
15², 25², 266, 35², 3p²
2,8,8,15 = 18, as?, 26, 3s”, 356,45€, 3d, 4p3
y-s z = at number
SE
eš
shielding
Shieldeing es
of
es
valance es.
SE = 7 - 5 (1 Leftir
Luis As
= L-s
L
2
15-10
Keff = 7-5
= 5
= 85-28
s
Leff (e)
7-2
Leffa 5
5
I Leff of
Total no.
for
Z
-
Keff=ts
12
)
(6 ou
size
moving down the group Reff decreases.
sexe increases
Rey & ut lite from top to bottom
[
Leff
decreases] [order » N<P <As)
] <
moving down the group conisation
jonisationen decuases.
order → As <P CN
©
con mo

Answer the following questions (Part A, B and C) for N, P, and As. (A) Calculate the effective nuclear charge for each N, P and