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A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z). [ 1 ] The definitive visualisation of all 118 elements is the periodic table of the elements , whose history along the principles of the periodic law was one of the founding ...
The periodic table, also known as the periodic table of the elements, is an ordered arrangement of the chemical elements into rows ("periods") and columns ("groups"). It is an icon of chemistry and is widely used in physics and other sciences.
Vanadium is a chemical element; it has symbol V and atomic number 23. It is a hard, silvery-grey, malleable transition metal . The elemental metal is rarely found in nature, but once isolated artificially, the formation of an oxide layer ( passivation ) somewhat stabilizes the free metal against further oxidation .
For some elements, this is because the material was known in ancient times, while for others, the name is a more recent invention. For example, Pb is the symbol for lead (plumbum in Latin); Hg is the symbol for mercury (hydrargyrum in Greek); and He is the symbol for helium (a Neo-Latin name) because helium was not known in ancient Roman times.
Group 5 is a group of elements in the periodic table. Group 5 contains vanadium (V), niobium (Nb), tantalum (Ta) and dubnium (Db). [1] This group lies in the d-block of the periodic table. This group is sometimes called the vanadium group or vanadium family after its lightest member; however, the group itself has not acquired a trivial name ...
Similarly, the name helium is derived from the Greek word for the Sun (Ἢλιος, Helios), as the first evidence for helium came in the form of distinctive emission lines from the Sun that were not explainable by any of the known elements in the 1870s. [37] Tellurium is named after the Latin word tellus, meaning "earth".
Schedule K-1 (Form 1041), Explained. Schedule K-1 (Form 1041) is an official IRS form that’s used to report a beneficiary’s share of income, deductions and credits from an estate or trust. It ...
The Russell-Saunders term symbol of the ground state in all elements in the group is 4 S 3 ⁄ 2. The most important elements of this group to life on Earth are nitrogen (N), which in its diatomic form is the principal component of air, and phosphorus (P), which, like nitrogen, is essential to all known forms of life.