Question
The outer electron configuration of Gd (Atomic No : 64) is
-
4f3 5d5 6s2
-
4f8 5d0 6s2
-
4f4 5d4 6s2
-
4f7 5d1 6s2
Solution
D.
4f7 5d1 6s2
The outer electron configuration of Gd (Atomic No : 64) is
4f3 5d5 6s2
4f8 5d0 6s2
4f4 5d4 6s2
4f7 5d1 6s2
D.
4f7 5d1 6s2
What are magic numbers?
Which property is the basis of long form of periodic table?
How many elements are placed in each period of the p-block?
What is the number of groups in: (i) p-block (ii) d-block?
How many elements are present in:
(i) second period
(ii) fourth period
(iii) sixth period?
What is the name given to the s-block elements?
To which block the element with outer electronic configuration 4s23d10 belongs?
Why are there 10 elements in each series of d-block?
In terms of electronic configuration,
what is common in a given period and group?
Give the general electronic configuration of
(i) Transition elements (ii) Inner transition elements.
Mock Test Series
