Question

A storage tank contains 21.6 kg of nitrogen. Which chemical symbol represents nitrogen?

a) Ni
b) Na
c) N
d) Ng

Answer 1

The correct chemical symbol representing nitrogen is c) N. It is used in formulas like N₂, which has an atomic number of seven and a molar mass of 28.01 g/mol.

Step-by-step explanation:

The chemical symbol that represents nitrogen is c) N. This symbol is used to denote nitrogen atoms in chemical formulas and equations. For example, the molecular nitrogen that makes up the majority of the Earth's atmosphere is represented as N₂, and it has a molar mass of approximately 28.01 g/mol. Nitrogen has an atomic number of seven, indicating it has seven protons and typically seven electrons when neutral, which are distributed in two electron shells.