Web Results

en.wikipedia.org/wiki/Calcium

Calcium is a chemical element with symbol Ca and atomic number 20. An alkaline earth metal, .... Mass-dependent differences in calcium isotope composition are conventionally expressed by the ratio of two isotopes (usually 44 Ca/40Ca) in a ...

en.wikipedia.org/wiki/Isotopes_of_calcium

Calcium (20Ca) has 24 isotopes, from 34Ca to 57Ca. There are five stable isotopes plus one .... The precision of the isotope abundances and atomic mass is limited through variations. The given ranges should be applicable to any normal ...

www.chemicalelements.com/elements/ca.html

Name: Calcium Symbol: Ca Atomic Number: 20. Atomic Mass: 40.078 amu. Melting Point: 839.0 °C (1112.15 K, 1542.2 °F) Boiling Point: 1484.0 °C (1757.15 K, ...

www.hobart.k12.in.us/ksms/PeriodicTable/calcium.htm

Calcium. Name, Calcium. Symbol, Ca. Atomic Number, 20. Atomic Mass, 40.078 atomic mass units. Number of Protons, 20. Number of Neutrons, 20. Number of ...

www.ciaaw.org/calcium.htm

In 1983, the Commission with its liberalized policy on uncertainties, was able to recommend as standard atomic weight Ar(Ca) = 40.078(4) weighted toward the ...

www.csudh.edu/oliver/chemdata/atmass.htm

At. Mass, M.P., oC, B.P., oC. Actinium, Ac, 89, 227.028, 1050, 3200±300 ... Cd, 48 , 112.411(8), 28.40±0.01, 669.3. Calcium, Ca, 20, 40.078(9), 839±2, 1484.

socratic.org/questions/what-is-the-molar-mass-of-calcium

Jun 29, 2016 ... The molar mass is the number under the name of the element and has the ... In our instance, the molar mass of Calcium (Ca) is 40.078 g/mol.

www.convertunits.com/molarmass/Calcium

Calculate the molar mass of Calcium in grams per mole or search for a chemical formula or ... Element, Symbol, Atomic Mass, # of Atoms, Mass Percent. Calcium ...

www.rsc.org/periodic-table/element/20/calcium

Element Calcium (Ca), Group 2, Atomic Number 20, s-block, Mass 40.078. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and ...