Nitrogen is a chemical element that has the symbol N, atomic number of 7 and atomic mass 14.00674 u. Elemental nitrogen is a colorless, odorless, tasteless and mostly inert diatomic gas at standard conditions, constituting 78.08% by volume of Earth's atmosphere. Many industrially important compoun...
Atomic Mass: 14.00674 amu Melting Point: -209.9 °C (63.250008 K, -345.81998 °F) Boiling Point: -195.8 °C (77.35 K, -320.44 °F) Number of Protons/Electrons: 7 Number of Neutrons: 7 Classification: Non-metal Crystal Structure: Hexagonal ...
It provides atomic mass, mass excess, nuclear binding energy, nucleon separation energies, Q-values, and nucleon residual interaction parameters for atomic nuclei of the isotope N-20 (Nitrogen, atomic number Z = 7, mass number A = 20). Related documents Landolt-Brnstein Homepage Introduction ...
作者: V Thiel 摘要: Nitrogen is a nonmetal element with atomic number 7 and atomic mass of 14.00674 u. It was discovered in 1772 by Daniel Rutherford (1749–1819), a Scottish physician, botanist and chemist (Weeks, 1934). DOI: 10.1007/978-1-4020-9212-1_157 收藏...
Nitrogen Uses and Properties - Nitrogen is a diatomic gas with atomic number 7 and symbol N. Know the nitrogen atomic number, the atomic mass of nitrogen and atomic weight of nitrogen. Explore the Uses of Nitrogen.
The atomic number of nitrogen is 7. Nitrogen has a total of 7 protons, 8 neutrons and 7 electrons. The atomic mass of nitrogen is 14 amu (atomic mass unit). Figure 2: The symbol of nitrogen is N Figure 3: Nitrogen has a total of seven electrons; two in the inner orbital and the...
Atomic number: 7 Relative atomic mass (Ar): 14.007 range: [14.00643, 14.00728] [see notesgr] Standard state: gas at 298 K Appearance: colourless Classification: Non-metallic Group in periodic table: 15 Group name: Pnictogen Period in periodic table: 2 ...
SimbolMass NumberRelative Atomic MassIsotopic Composition 10N 10 10.04165(43) 11N 11 11.026090(50) 12N 12 12.0186132(11) 13N 13 13.00573861(29) 14N 14 14.0030740048(6) 0.99636(20) 15N 15 15.0001088982(7) 0.00364(20) 16N 16 16.0061017(28) 17N 17 17.008450(16) 18N 18 18.014079(...
Just the facts Atomic number (number of protons in the nucleus): 7 Atomic symbol (on the Periodic Table of Elements): N Atomic weight (average mass of the atom): 14.0067 Density: 0.0012506 grams per cubic centimeter Phase at room temperature: Gas ...
Atomic mass/weight14.007 atomic mass units[5] Molar mass/Molecular weight28.014 g/mol[4] Mass number14 Physical Properties Color/physical appearanceColorless[1] OdorOdorless[4] Melting point/freezing point-210°C (-346°F)[1] Boiling point-195.795°C (-320.431°F)[1] ...