Nitrogen is a chemical element; it has symbol N and atomic number 7. Nitrogen is a nonmetal and the lightest member of group 15 of the periodic table, often called the pnictogens. It is a common …

Jul 18, 2026 · Nitrogen, nonmetallic element of Group 15 [Va] of the periodic table. It is a colorless, odorless, tasteless gas that is the most plentiful element in Earth’s atmosphere and is a constituent …

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Oct 9, 2025 · Nitrogen, a colorless and odorless gas, makes up 78% of Earth’s atmosphere, making it the most abundant element in the air we breathe. Despite its pervasive presence, this element is …

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Nitrogen gas makes up about 80% of the air we breathe. It's by far the most abundant element in its group in the periodic table and yet it is the last member of its family to be discovered.

Nitrogen (pronounced as Nye-treh-gen) is a chemical element, existing in the form of a colorless diatomic gas. Denoted by the chemical symbol N, it belongs to the family of nonmetals.

Jul 18, 2026 · For these reasons, elemental nitrogen appears to conceal quite effectively the truly reactive nature of its individual atoms. A relatively recent and unexpected discovery is that nitrogen …

The nitrogen cycle is the biogeochemical cycle by which nitrogen is converted into multiple chemical forms as it circulates among atmospheric, terrestrial, and marine ecosystems.

Learn about nitrogen gas with this guide for KS3 chemistry students aged 11-14 from BBC Bitesize.