Calcium is an Element which is Denoted by the Symbol Ca. The Atomic Number of Calcium is 20. Learn about the Important Properties and Uses of Calcium Here.
What type of chemical element is magnesium? What is the electron configuration for calcium? What type of compound is calcium carbonate? Is calcium a metal? What is the electronegativity of calcium? What type of element is nihonium? What is calcium chloride?
Electron configuration:[Ar]4s2 Oxidation state:2 Crystal structure:cubic face centered H. Davy first isolated calcium in 1808. It is the fifth most abundant element in the earth’s crust and is an important component for living organisms on the cellular level, as well as for the...
Element Properties atomic number 20 atomic weight 40.078 melting point 842 °C (1,548 °F) boiling point 1,484 °C (2,703 °F) specific gravity 1.55 (20 °C, or 68 °F) oxidation state +2 electron configuration 1s22s22p63s23p64s2Citation...
Calcium is silver to gray solid metal that develops a pale yellow tint. It is element atomic number 20 on the periodic table with the symbol Ca. Unlike most transition metals, calcium and its compounds exhibit a low toxicity. The element is essential for human nutrition. Take a look at cal...
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Atomic Data of Calcium (Element 20) Valence electrons 2 [13] Valency +2 [14] Quantum numbers –n 4 [15] –ℓ 0 [15] –m ℓ 0 [15] –m s -½ [15] Electron configuration (noble gas configuration) [Ar] 4s2 [1] Crystal structure Face-centered cubic [8] Atomic structure ...
Calcium metal does not occur free in nature; however, in the form of numerous compounds, it is the fifth most abundant element, constituting 3.63% of the earth's crust. Calcium is mainly used as a reducing agent for many reactive, less common metals; to remove bismuth from lead; as a ...
calcium(kălˈsēəm)[Lat.,=lime], metallic chemical element; symbol Ca; at. no. 20; at. wt. 40.078; m.p. about 839℃; b.p. 1,484℃; sp. gr. 1.55 at 20℃; valence +2. Calcium is a malleable, ductile, silver-white, relatively soft metal with face-centered, cubic crysta...
Calcium: The Element and its Ion, Ca2+ Calcium, atomic number 20 lies in group 2 in the third row of the periodic table and before the first row of transition metals. It resides below magnesium and above strontium and then barium in its group. It has low ionization potentials, giving a...