Hello Bhargavi,

As you wanted to know; Nitrogen is the chemical element with the symbol N and atomic number 7.

It was first discovered and isolated by Scottish physician Daniel Rutherford in 1772. It has a mass number 14.057 .

Other important characteristic of it can be described as ; Nitrogen undergoes chemical reaction with itself to form N2.

Hope this helps!

Hello Bhargavi,

Atomic number is defined as the number of protons in the nucleus of an atom, which is characteristic of a chemical element and determines its place in the periodic table. Nitrogen is the chemical element and it has a symbol N its atomic number is 7. It was first discovered and isolated by Scottish physician Daniel Rutherford in 1772.