Nitrogen is the chemical element with the 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 element in the universe, estimated at seventh in total abundance in the Milky Way and the Solar System.
Symbol: N
Atomic mass: 14.0067 u
Atomic number: 7
Electron configuration: [He] 2s22p3
Electrons per shell: 2,5
Discovered: 1772
Electronegativity: 3.04
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Answer:
the gas that has no colour ,taste or smell . nitrogen forms about80%of the air around the earth
Answer:
Nitrogen is the chemical element with the 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 element in the universe, estimated at seventh in total abundance in the Milky Way and the Solar System.
Symbol: N
Atomic mass: 14.0067 u
Atomic number: 7
Electron configuration: [He] 2s22p3
Electrons per shell: 2,5
Discovered: 1772
Electronegativity: 3.04
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