7. Write electronic configuration of arsenium in arsenic acid? Answer:...4s
2
4p
0
8. How many odd electrons do Fe
+3
and Fe
+2
ions havein 3d electron level.
The answer:5,4
9. Find out the electronic structureof palladium atomin the outer level.
The answer: 5s
0
4d
10
10. Trace the electronic configuration for the last level of chrome in chromate
ion. The answer:...3s
2
3p
6
11. Describe the electronic structure of NH
+
4
ion.
The answer: 1s
2
2s
2
2p
6
12. Find the number of valence electrons in P
+5
and P
-3
ions?The answer:0 and 8
13. Find the element‘s period and group possessing following electronic
configuration ...3d
10
4s
2
The answer: IV periodand II group
Do'stlaringiz bilan baham: |