Write the group number for nitrogen. Express your answer as a whole number or as a alphanumeric group name.

Nitrogen belongs to Group 15 of the periodic table, also known by its alphanumeric designation as Group VA. This group includes other elements like phosphorus, arsenic, and antimony, all sharing similar properties due to their valence electron configuration. Interestingly, nitrogen is essential for life, making up about 78% of Earth’s atmosphere! It's a critical component of amino acids, proteins, and nucleic acids, forming the backbone of life's building blocks.