enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. List of chemical elements - Wikipedia

    en.wikipedia.org/wiki/List_of_chemical_elements

    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 ...

  3. Periodic table - Wikipedia

    en.wikipedia.org/wiki/Periodic_table

    Elements in the same group tend to show similar chemical characteristics. Vertical, horizontal and diagonal trends characterize the periodic table. Metallic character increases going down a group and from right to left across a period. Nonmetallic character increases going from the bottom left of the periodic table to the top right.

  4. Periodic trends - Wikipedia

    en.wikipedia.org/wiki/Periodic_trends

    According to this scale, fluorine is the most electronegative element, while cesium is the least electronegative element. [ 18 ] Trend-wise, as one moves from left to right across a period in the modern periodic table , the electronegativity increases as the nuclear charge increases and the atomic size decreases.

  5. List of elements by atomic properties - Wikipedia

    en.wikipedia.org/wiki/List_of_elements_by_atomic...

    This is a list of chemical elements and their atomic properties, ordered by atomic number (Z).. Since valence electrons are not clearly defined for the d-block and f-block elements, there not being a clear point at which further ionisation becomes unprofitable, a purely formal definition as number of electrons in the outermost shell has been used.

  6. Properties of metals, metalloids and nonmetals - Wikipedia

    en.wikipedia.org/wiki/Properties_of_metals...

    The chemical elements can be broadly divided into metals, metalloids, and nonmetals according to their shared physical and chemical properties.All elemental metals have a shiny appearance (at least when freshly polished); are good conductors of heat and electricity; form alloys with other metallic elements; and have at least one basic oxide.

  7. Names for sets of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Names_for_sets_of_chemical...

    Superactinides – Hypothetical series of elements 121 to 157, which includes a predicted "g-block" of the periodic table. Transactinide elementsElements after the actinides (atomic number greater than 103). Transplutonium elementsElements with atomic number greater than 94. Transuranium elementsElements with atomic number ...

  8. Noble metal - Wikipedia

    en.wikipedia.org/wiki/Noble_metal

    The expression noble metal is sometimes confined to copper, silver, and gold since their full d-subshells can contribute to their noble character. [12] There are also known to be significant contributions from how readily there is overlap of the d-electron states with the orbitals of other elements, particularly for gold. [13]

  9. Category:Metallic elements - Wikipedia

    en.wikipedia.org/wiki/Category:Metallic_elements

    Pages in category "Metallic elements" The following 4 pages are in this category, out of 4 total. This list may not reflect recent changes. ...