7
N
Nitrogen
14,007 u
Nitrogen
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Chu kỳ
2
Nhóm
15
Khối
p-khối
Pha (STP)
Gas
Nitrogen makes up about 78% of Earth's atmosphere. It is essential for life as a component of amino acids, proteins, and DNA.
Ngoại quan: Colorless gas
Compounds Containing Nitrogen
Thêm Phi Kim
Frequently Asked Questions
What is Nitrogen?
Nitrogen (N) is a chemical element with atomic number 7. It is a gas at standard temperature and pressure, classified as a phi kim.
What are the key properties of Nitrogen?
Nitrogen has an atomic mass of 14.007 u, density of 0.0012506 g/cm³, melting point of -210.0°C, boiling point of -195.8°C.
What is the electron configuration of Nitrogen?
The electron configuration of Nitrogen is [He] 2s2 2p3. It is in the p-block of the periodic table.
Who discovered Nitrogen?
Nitrogen was discovered by Daniel Rutherford in 1772.
What is the electronegativity of Nitrogen?
Nitrogen has an electronegativity of 3.04 on the Pauling scale.