Saturday, 13 June 2015

Important questions

QUESTIONS:
1. How many nodes are present in 3s orbital?
2. What is the number of orbitals in third principal shell?
3. How many electron are present in all shells with n+l=5?
4. How many shells S and P shells can accomodate?
5. In which atom the outermost electron can have the following set of quantum numbers?n=4,l=0,ml=0,ms=+1/2.
6. Give the electronic configuration of the following ions:
1. H-
2. F-
3. Ni2+
7. Define:Aufbau principle, hund's rule.
8. Discuss the shapes of p orbitals by drawing their boundry surface diagrams?
9. How many unpaired electrons are present in the ground state of;
1. P
2. Cu
3. Br
10. Draw the probability density graphs for 1s, 2s, 2p orbitals?
11. Differentiate between an orbit and orbital?

No comments:

Post a Comment