Nitrogen (N), element 7 – Learn Acer periodic table

Nonmetal, atomic number 7.

Nitrogen is a chemical element with symbol N and atomic number 7. It is the lightest pnictogen and at room temperature, it is a transparent, odorless diatomic gas. Nitrogen is a common element in the universe, estimated at about seventh in total abundance in the Milky Way and the Solar System.

Symbol N. Atomic mass 14.007 u. Group 15, period 2. Electron configuration [He] 2s2 2p3. Electrons per shell 2, 5. State at room temperature: Gas. Melting point -210.0 °C, boiling point -195.8 °C. Discovered by Daniel Rutherford.

Element data from Wikipedia, CC BY-SA 3.0.

Nitrogen (N), element 7 – Learn Acer periodic table

Nitrogen

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