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Nitrogen is a nonmetal and the lightest member of group 15 of the periodic table. It forms about 78% of Earth's atmosphere and is essential for life, but also has many industrial and environmental applications. Learn about its discovery, allotropes, isotopes and more.
Pnictogen is a term for the elements in group 15 of the periodic table, also known as the nitrogen group or family. They have five valence electrons and form covalent bonds with other elements, such as carbon group or boron group elements.
The periodic table is an ordered arrangement of the chemical elements by atomic number and properties. It shows the periodic law, which states that elements with similar atomic numbers have similar characteristics.
A comprehensive table of 118 chemical elements with their names, symbols, atomic numbers, properties, and origins. The table is organized by the number of protons in each element's atomic nucleus, also known as the periodic table of the elements.
Learn about the different isotopes of nitrogen, their decay modes, half-lives, and applications. Nitrogen-14 is the most abundant isotope, while nitrogen-15 is used in NMR spectroscopy and nitrogen-16 is a radioisotope in nuclear reactors.
Learn the definition and classification of atomicity, the total number of atoms in a molecule of an element. Find out the atomicity of phosphorus and other elements in the periodic table.
Learn about the chemical element nitrogen and its various compounds, such as dinitrogen complexes, nitrides, azides, and nitrido complexes. Find out how nitrogen forms bonds with metals, nonmetals, and other elements, and what are its applications and properties.
Many of the highly radioactive elements have values that must be predictions or extrapolations, but are unfortunately not marked as such. This is especially problematic for francium, which by relativistic calculations can be shown to be less electronegative than caesium, but for which the only value (0.7) in the literature predates these ...
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