A chemical element is a chemical substance whose atoms all have the same number of protons. The number of protons is called the atomic number of that element...

118 chemical elements have been identified and named officially by IUPAC. A chemical element, often simply called an element, is a type of atom which has...

for functional groups, chemical compounds, and other entities. Element symbols for chemical elements, also known as atomic symbols, normally consist of one...

History of the Origin of the Chemical Elements and Their Discoverers, Individual Element Names and History, "Technetium" "Chemical Elements Discovered at Lawrence...

body, are primarily a product of chemical interactions with the medium in which they reside. Abundance of each element is expressed as a relative number...

table Element 119 (Uue, marked here) in period 8 (row 8) marks the start of theorisations. An extended periodic table theorizes about chemical elements...

China Petroleum and Chemical Industry Federation. Price average for entire year 2019. Market price on 4 February 2020 This element is transient – it occurs...

from more than one chemical element held together by chemical bonds. A molecule consisting of atoms of only one element is therefore not a compound....

constants List of chemical elements named after places List of chemical element name etymologies Naming of chemical elements List of chemical elements Kevin...

Mercury is a chemical element; it has symbol Hg and atomic number 80. It is also known as quicksilver and was formerly named hydrargyrum (/haɪˈdrɑːrdʒərəm/...

A synthetic element is one of 24 known chemical elements that do not occur naturally on Earth: they have been created by human manipulation of fundamental...

article lists the etymology of chemical elements of the periodic table. Throughout the history of chemistry, many chemical elements have been discovered...

are called the chemical elements. The chemical elements are what the periodic table classifies and organizes. Hydrogen is the element with atomic number...

that constitute a particular chemical compound or molecule, using chemical element symbols, numbers, and sometimes also other symbols, such as parentheses...

Phosphorus is a chemical element; it has symbol P and atomic number 15. Elemental phosphorus exists in two major forms, white phosphorus and red phosphorus...

A heavy metal may be defined on the basis of density, atomic number or chemical behaviour. More specific definitions have been published, none of which...

up Element, element, élément, Elements, elements, or éléments in Wiktionary, the free dictionary. Element or elements may refer to: Chemical element, a...

Hydrogen is a chemical element; it has symbol H and atomic number 1. It is the lightest element and, at standard conditions, is a gas of diatomic molecules...

preferred by the American Chemical Society. The Joint Institute for Nuclear Research in Dubna (then USSR, today Russia) named element 104 kurchatovium (Ku)...

A systematic element name is the temporary name assigned to an unknown or recently synthesized chemical element. A systematic symbol is also derived from...

Isotopes are distinct nuclear species (or nuclides) of the same chemical element. They have the same atomic number (number of protons in their nuclei)...

A trace element is a chemical element of a minute quantity, a trace amount, especially used in referring to a micronutrient, but is also used to refer...

Oxygen is a chemical element with the symbol O and atomic number 8. It is a member of the chalcogen group in the periodic table, a highly reactive nonmetal...

periodic table A period 6 element is one of the chemical elements in the sixth row (or period) of the periodic table of the chemical elements, including the...

Ununennium, also known as eka-francium or element 119, is a hypothetical chemical element; it has symbol Uue and atomic number 119. Ununennium and Uue...

Oganesson is a synthetic chemical element; it has symbol Og and atomic number 118. It was first synthesized in 2002 at the Joint Institute for Nuclear...

in any group of chemical compounds which all contain two particular chemical elements, the amount of Element A per measure of Element B will differ across...

periodic table A period 5 element is one of the chemical elements in the fifth row (or period) of the periodic table of the chemical elements. The periodic...

periodic table In chemistry, a transition metal (or transition element) is a chemical element in the d-block of the periodic table (groups 3 to 12), though...

Moscovium is a synthetic chemical element; it has symbol Mc and atomic number 115. It was first synthesized in 2003 by a joint team of Russian and American...