The first ionisation enthalpies in electron volts of nitrogen and oxygen atoms are respectively given by:
(i) 14.6, 13.6
(ii) 13.6, 14.6
(iii) 13.6, 13.6
(iv) 14.6, 14.6
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
