which each group suggesting its own name: the Dubna group named the element kurchatovium after Igor Kurchatov, while the Berkeley group named it rutherfordium...

Group 4 may refer to: Group 4 element, chemical element classification Group 4 (motorsport), classification for cars in auto racing and rallying G4S, formerly...

of the early transition metal groups, where the lightest element is distinct from the very similar next two. All the group 3 elements are rather soft, silvery-white...

table, it is a d-block element and the second of the fourth-row transition elements. It is in period 7 and is a group 4 element. Chemistry experiments...

oxygen group" for group 16), iron group has historically been used differently; most often, it means a set of adjacent elements on period (row) 4 of the...

fairly common element, whereas rhenium is rare, technetium only occurs in trace quantities, and bohrium is entirely synthetic. The trends in group 7 follow...

chemists then correctly assumed that it was the ore of a distinct new element, named molybdenum for the mineral in which it was discovered. Peter Jacob...

Group 9, by modern IUPAC numbering, is a group (column) of chemical elements in the d-block of the periodic table. Members of Group 9 include cobalt (Co)...

and tantalum. Pure tantalum was not produced until 1903. The last element of the group, dubnium, does not occur naturally and so must be synthesized in...

Period 4 in the periodic table A period 4 element is one of the chemical elements in the fourth row (or period) of the periodic table of the chemical elements...

N.; Saro, S.; Janik, R.; Leino, M. (1995). "The new element 111". Zeitschrift für Physik A. 350 (4): 281–282. Bibcode:1995ZPhyA.350..281H. doi:10.1007/BF01291182...

naturally in ores, and it is the earth's 22nd most abundant element. Two prominent groups of ores from which it can be extracted are laterites and sulfide...

Florida: CRC Press, Taylor & Francis Group. p. 4-41. ISBN 978-0-8493-0487-3. Heiserman, David L. (1992). "Element 30: Zinc". Exploring Chemical Elements...

uranium (U), are similar to main-group elements as thorium is an electropositive element with only one main oxidation state (+4), and uranium has two main ones...

finite group is the number of its elements. If a group is not finite, one says that its order is infinite. The order of an element of a group (also called...

Eu2+ and Eu3+. Yttrium is grouped as a heavy rare-earth element due to chemical similarities. The break between the two groups is sometimes put elsewhere...

mathematics, a group is a set with a binary operation that satisfies: the operation being associative, it having an identity element, and every element of the...

resulting in trends in chemical behavior. This group has a defining characteristic whereby each component element has 5 electrons in its valence shell, that...

In mathematics, the longest element of a Coxeter group is the unique element of maximal length in a finite Coxeter group with respect to the chosen generating...

points of the carbon group tend to get lower with the heavier elements. At standard pressure, carbon, the lightest carbon group element, sublimes at 3825 °C...

Sulfur has been known since antiquity, and oxygen was recognized as an element in the 18th century. Selenium, tellurium and polonium were discovered in...

to have discovered element 85 in minerals, and called the element dakine, but he was also mistaken. An attempt at discovering element 85 in 1939 by Horia...

Oganesson is expected to be rather like silicon or tin in group 14: a reactive element with a common +4 and a less common +2 state, which at room temperature...

referred to as the triels. Several group 13 elements have biological roles in the ecosystem. Boron is a trace element in humans and is essential for some...

Thorium is a chemical element; it has symbol Th and atomic number 90. Thorium is a weakly radioactive light silver metal which tarnishes olive grey when...

first to use the term "element (στοιχεῖον, stoicheîon)" in reference to air, fire, earth, and water. The ancient Greek word for element, stoicheion (from stoicheo...

every other element of the group may be obtained by repeatedly applying the group operation to g {\displaystyle g} or its inverse. Each element can be written...

In mathematics, the Klein four-group is an abelian group with four elements, in which each element is self-inverse (composing it with itself produces...

is not ambiguous, as every element is invertible under addition). Inverses are commonly used in groups—where every element is invertible, and rings—where...

H1N1, a strain of influenza G-quadruplex, a DNA secondary structure Group 4 element, a class of elements on the Periodic Table ATC code G04 Urologicals...