22 Kasım 2013 Cuma

Element of the week: ununtrium | @GrrlScientist

This week’s component is ununtrium, which has the short-term atomic symbol, Uut, and the atmonic number, 113. This component was not too long ago found by two groups 1 is a Russian-American collaboration, and the other is Japanese.


Ununtrium is synthetic, which indicates that it is not found in the wild, but as an alternative, it only happens in a laboratory setting for quick moments of time. It is predicted to be a quite dense solid at space temperature. Even though it is a metal, ununtrium might present some properties of a transition metal.


I am confident that none of you are shocked when I tell you that ununtrium is really radioactive and unstable. So far, 6 isotopes of ununtrium have been reported and they all decay into smaller sized aspects by releasing a high-vitality helium nucleus (alpha decay). The heaviest ununtrium isotope, uut-286, is also the most stable with a half-existence of twenty seconds. The other isotopes have considerably briefer half lives lasting among milliseconds to seconds.


Ununtrium was very first recognized in 2003 by a Russian-American team who have been observing the radiodecay of 4 atoms of component 115, known by the temporary name, ununpentium. This collaborative crew synthesised ununpentium by bombarding americium-243 with calcium-48 nuclei, the products of which then alpha-decayed inside of 100 milliseconds, giving rise to component 113. This crew produced a discovery claim to Worldwide Union of Pure and Utilized Chemistry (IUPAC) in 2011, but it was rejected due to the fact it did not meeting all the discovery criteria.


Just one particular atom on ununtrium-278 was synthesised in 2004 by a crew of researchers at RIKEN Nishina Center for Accelerator-Primarily based Science (RNC) in Japan. This single atom was developed by bombarding bismuth-209 with zinc-70 nuclei. This crew then developed another atom in 2005, but its decay series was slightly various, which was the reason IUPAC rejected the RNC’s first discovery declare in 2011. The crew went back to operate recreating the identical experiment, and in 2012, they synthesised a number of far more atoms of ununtrium. This time, their discovery claim was accepted. Their proposed identify is Japonium, in honour of the country the place this element was discovered. Numerous other proposed names are Rikenium, for the RIKEN institution, and Nishinanium, for Japanese physicist, Yoshio Nishina.


Here is our favourite chemistry professor, telling us a minor about the letter J while discussing this newest elemental discovery:


[Video link]


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Video journalist Brady Haran is the guy with the camera and the University of Nottingham is the spot with the chemists. You can comply with Brady on twitter @periodicvideos and the University of Nottingham on twitter @UniofNottingham


You’ve currently met these elements:


Copernicium: Cn, atomic quantity 112
Roentgenium: Rg, atomic variety 111
Darmstadtium: Ds, atomic variety 110
Meitnerium: Mt, atomic variety 109
Hassium: Hs, atomic amount 108
Bohrium: Bh, atomic number 107
Seaborgium: Sg, atomic variety 106
Dubnium: Db, atomic variety 105
Rutherfordium: Rf, atomic variety 104
Lawrencium: Lw, atomic number 103
Nobelium: No, atomic variety 102
Mendelevium: Md, atomic amount 101
Fermium: Fm, atomic amount 100
Einsteinium: Es, atomic variety 99
Californium: Cf, atomic quantity 98
Berkelium: Bk, atomic quantity 97
Curium: Cm, atomic variety 96
Americium: Am, atomic amount 95
Plutonium: Pu, atomic variety 94
Neptunium: Np, atomic quantity 93
Uranium: U, atomic number 92
Protactinium: Pa, atomic number 91
Thorium: Th, atomic variety 90
Actinium: Ac, atomic number 89
Radium: Ra, atomic quantity 88
Francium: Fr, atomic quantity 87
Radon: Rn, atomic variety 86
Astatine: As, atomic quantity 85
Polonium: Po, atomic amount 84
Bismuth: Bi, atomic amount 83
Lead: Pb, atomic quantity 82
Thallium: Tl, atomic variety 81
Mercury: Hg, atomic variety 80
Gold: Au, atomic number 79
Platinum: Pt, atomic quantity 78
Iridium: Ir, atomic variety 77
Osmium: Os, atomic quantity 76
Rhenium: Re, atomic variety 75
Tungsten: W, atomic number 74
Tantalum: Ta, atomic quantity 73
Hafnium: Hf, atomic number 72
Lutetium: Lu, atomic amount 71
Ytterbium: Yb, atomic variety 70
Thulium: Tm, atomic amount 69
Erbium: Er, atomic variety 68
Holmium: Ho, atomic amount 67
Dysprosium: Dy, atomic variety 66
Terbium: Tb, atomic amount 65
Gadolinium: Gd, atomic amount 64
Europium: Eu, atomic quantity 63
Samarium: Sm, atomic number 62
Promethium: Pm, atomic amount 61
Neodymium: Nd, atomic amount 60
Praseodymium: Pr, atomic number 59
Cerium: Ce, atomic amount 58
Lanthanum: La, atomic variety 57
Barium: Ba, atomic variety 56
Cæsium: Cs, atomic number fifty five
Xenon: Xe, atomic variety 54
Iodine: I, atomic amount 53
Tellurium: Te, atomic number 52
Antimony: Sb, atomic variety 51
Tin: Sn, atomic amount 50
Indium: In, atomic number 49
Cadmium: Cd, atomic quantity 48
Silver: Ag, atomic amount 47
Palladium: Pd, atomic variety 46
Rhodium: Rh, atomic variety 45
Ruthenium: Ru, atomic quantity 44
Technetium: Tc, atomic number 43
Molybdenum: Mo, atomic variety 42
Niobium: Ni, atomic amount 41
Zirconium: Zr, atomic variety forty
Yttrium: Y, atomic amount 39
Strontium: Sr, atomic variety 38
Rubidium: Rr, atomic number 37
Krypton: Kr, atomic number 36
Bromine: Br, atomic variety 35
Selenium: Se, atomic amount 34
Arsenic: As, atomic variety 33
Germanium: Ge, atomic number 32
Gallium: Ga, atomic quantity 31
Zinc: Zn, atomic quantity 30
Copper: Cu, atomic number 29
Nickel: Ni, atomic variety 28
Cobalt: Co, atomic number 27
Iron: Fe, atomic quantity 26
Manganese: Mn, atomic quantity 25
Chromium: Cr, atomic quantity 24
Vanadium: V, atomic quantity 23
Titanium: Ti, atomic quantity 22
Scandium: Sc, atomic number 21
Calcium: Ca, atomic variety twenty
Potassium: K, atomic number 19
Argon: Ar, atomic variety 18
Chlorine: Cl, atomic amount 17
Sulfur: S, atomic variety sixteen
Phosphorus: P, atomic amount 15
Silicon: Si, atomic variety 14
Aluminium: Al, atomic amount 13
Magnesium: Mg, atomic number 12
Sodium: Na, atomic amount 11
Neon: Ne, atomic amount 10
Fluorine: F, atomic number 9
Oxygen: O, atomic amount eight
Nitrogen: N, atomic quantity seven
Carbon: C, atomic number 6
Boron: B, atomic amount 5
Beryllium: Be, atomic number four
Lithium: Li, atomic amount 3
Helium: He, atomic amount two
Hydrogen: H, atomic quantity one


Here’s the Royal Society of Chemistry’s interactive Periodic Table of the Factors that is just actually genuinely fun to play with!


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GrrlScientist can also be found right here: Maniraptora. She’s extremely lively on twitter @GrrlScientist and at times lurks on social media: facebook, G+, LinkedIn, Pinterest.



Element of the week: ununtrium | @GrrlScientist

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