Actinides Stocks List

Related Stock Lists: Chemistry Manhattan Project Uranium Physical Sciences Nuclear Technology Uranium Mining By Country Economic Geology Nature Uranium Mining In The United States Natural Sciences Nuclear Fuels Nuclear Materials Uranium One Uranium Producer Athabasca Basin Base Metal Deposits Chemical Elements Fission Uranium Corp. Junior Mining Materials

Recent Signals

Date Stock Signal Type
2020-05-29 BKUCF NR7 Range Contraction
2020-05-29 BKUCF Narrow Range Bar Range Contraction
2020-05-29 FISOF Crossed Above 20 DMA Bullish
2020-05-29 FISOF MACD Bullish Centerline Cross Bullish
2020-05-29 GVXXF 50 DMA Support Bullish
2020-05-29 GVXXF Stochastic Buy Signal Bullish
2020-05-29 GVXXF Non-ADX 1,2,3,4 Bullish Bullish Swing Setup
2020-05-29 LMRXF NR7 Range Contraction
2020-05-29 LMRXF Narrow Range Bar Range Contraction
2020-05-29 MGAFF Fell Below 20 DMA Bearish
2020-05-29 PLUUF Narrow Range Bar Range Contraction
2020-05-29 UWEFF Narrow Range Bar Range Contraction
2020-05-29 UWEFF 1,2,3 Pullback Bullish Bullish Swing Setup
2020-05-29 UWEFF MACD Bullish Centerline Cross Bullish
2020-05-29 UWEFF Non-ADX 1,2,3,4 Bullish Bullish Swing Setup
2020-05-29 WSTRF Crossed Above 20 DMA Bullish

The actinide or actinoid (IUPAC nomenclature) series encompasses the 15 metallic chemical elements with atomic numbers from 89 to 103, actinium through lawrencium.Strictly speaking, both actinium and lawrencium have been labeled as group 3 elements, but both elements are often included in any general discussion of the chemistry of the actinide elements. Actinium is the more often omitted of the two, because its placement as a group 3 element is somewhat more common in texts and for semantic reasons: since "actinide" means "like actinium", it has been argued that actinium cannot logically be an actinide, even though IUPAC acknowledges its inclusion based on common usage.The actinide series derives its name from the first element in the series, actinium. The informal chemical symbol An is used in general discussions of actinide chemistry to refer to any actinide. All but one of the actinides are f-block elements, with the exception being either actinium or lawrencium. The series mostly corresponds to the filling of the 5f electron shell, although actinium and thorium lack any f-electrons, and curium and lawrencium have the same number as the preceding element. In comparison with the lanthanides, also mostly f-block elements, the actinides show much more variable valence. They all have very large atomic and ionic radii and exhibit an unusually large range of physical properties. While actinium and the late actinides (from americium onwards) behave similarly to the lanthanides, the elements thorium, protactinium, and uranium are much more similar to transition metals in their chemistry, with neptunium and plutonium occupying an intermediate position.
All actinides are radioactive and release energy upon radioactive decay; naturally occurring uranium and thorium, and synthetically produced plutonium are the most abundant actinides on Earth. These are used in nuclear reactors and nuclear weapons. Uranium and thorium also have diverse current or historical uses, and americium is used in the ionization chambers of most modern smoke detectors.
Of the actinides, primordial thorium and uranium occur naturally in substantial quantities. The radioactive decay of uranium produces transient amounts of actinium and protactinium, and atoms of neptunium and plutonium are occasionally produced from transmutation reactions in uranium ores. The other actinides are purely synthetic elements. Nuclear weapons tests have released at least six actinides heavier than plutonium into the environment; analysis of debris from a 1952 hydrogen bomb explosion showed the presence of americium, curium, berkelium, californium, einsteinium and fermium.In presentations of the periodic table, the lanthanides and the actinides are customarily shown as two additional rows below the main body of the table, with placeholders or else a selected single element of each series (either lanthanum or lutetium, and either actinium or lawrencium, respectively) shown in a single cell of the main table, between barium and hafnium, and radium and rutherfordium, respectively. This convention is entirely a matter of aesthetics and formatting practicality; a rarely used wide-formatted periodic table inserts the lanthanide and actinide series in their proper places, as parts of the table's sixth and seventh rows (periods).

More about Actinides