Proprietà

CAS Number7440-70-2
PubChem CID5460341
Raggio Atomico197
Volume Molare29,9
Massa Atomica40,078
Bloccos
Punto di Ebollizione1.484
Bulk Modulus
CategoriaMetalli Alcalino-Terrosi
Struttura CristallinaFacce Cubiche Centrate
ColoreArgento
Raggio Covalente176
Densità1,54
Electrical Resistivity
Configurazione Elettronica[Ar] 4s2
Elettroni per shell2, 8, 8, 2
Elettronegatività1
Electrons20
Gruppo2
Calore di Fusione8,54
Calore di Evaporazione155
Potenziale di Ionizzazione6,113
Magnetic Ordering
Magnetic Susceptibility
Massa40,078
Mass Number20
Punto di Fusione842
NomeCalcio
Neutroni20
Numero Atomico40
Stato di Ossidazione1, 2
Periodo4
FaseSolido
Poisson Ratio
Protoni20
Shear Modulus
Capacità Termica Specifica0,647
SimboloCa
Conduttività Termica2,01
Van der Waals radius
Young's Modulus
Abbondanza
Abbondanza sulla crosta terrestre5%
Abbondanza nell'universo0.007%
Ca Calcio 20 40.078 2 4 s 20 839.0 1484.0 [Ar] 4s2 2 8 8 2 1.55 5% Silver Cubic: Face centered 1.0 1.034 {"1":"589.8","2":"1145.4","3":"4912.4","4":"6491","5":"8153","6":"10496","7":"12270","8":"14206","9":"18191","10":"20385","11":"57110","12":"63410","13":"70110","14":"78890","15":"86310","16":"94000","17":"104900","18":"111711","19":"494850","20":"527762"} 590 2.37 174 2 1.97 29.9 8.53 154.67 0.647 200.0 0 Solid, Paramagnetic, Conductor, AlkalineEarthMetal, Metal, Stable, Natural KAL-si-em Fairly hard, silvery-white metal. Fifth most abundant element in the earth's crust (41,500 ppm). Occurs only in compounds. Used by many forms of life to make shells and bones. Virtually no use for the pure metal, however two of its compounds are, lime (CaO) and gypsum (CaSO4), are in great demand by a number of industries. Obtained from minerals like chalk, limestone & marble. Pure metal is produced by replacing the calcium in lime (calcium carbonate, CaCO3) with aluminium in hot, low pressure retorts. Jcvac9__YN4 Calcium
Tennessine was identified in 2010 by a team composed of Russian scientists at Joint Institute for Nuclear Research, Dubna and American scientists at the Lawrence Livermore National Laboratory.

It was produced by the bombardment of berkelium with calcium.

Ununseptium was the temporary IUPAC systematic element name. Named after the region of Tennessee 20 1808 Sir Humphrey Davy England From the Latin word "calx" meaning "lime"

Isotopi del tennessinio

Standard Atomic Weight

40.078(4)

Isotopi Stabili

40Ca 42Ca 43Ca 44Ca 46Ca 48Ca

Isotopi Instabili

34Ca 35Ca 36Ca 37Ca 38Ca 39Ca 41Ca 45Ca 47Ca 49Ca 50Ca 51Ca 52Ca 53Ca 54Ca 55Ca 56Ca 57Ca

Tennessine is harmful due to its radioactivity
Tennessine is historically known as eka-astatine
Tennessine is used for scientific research purposes only.