How many unpaired electron(s) are there in the nitrogen s...
How many unpaired electron(s) are there in the nitrogen sub-levels?
3
2
1
none
Correct answer is A
Nitrogen has 7 electrons in all.
Its electronic configuration is = \(1s^22s^22p^3\)
So, it has three unpaired electrons in its p-orbitals.
Note that the p orbital can accommodate a maximum of 6 electrons
Which of the following are chemical changes? I. cooking of food II. digestion of food III...
The brown fumes given off when trioxonitrate (V) acid is heated consist of ? ...
Which of the following properties is characteristic of the halogens? ...
Which of the following represents an aromatic compound? ...
When protein is heated to a high temperature it undergoes ...
Copper (II) tetraoxosulphate (IV) is widely used as a? ...
Hardness in water can be removed by adding ...
20 cm3 of 1 M H\(_2\)SO\(_4\) is mixed 20 cm\(^3\) of 1 M NaOH. The resulting solution is?...
A mixture of iron and sulphur can be separated by dissolving the mixture in? ...