Chemical Substance attributes
CAS Registry Number
7440-70-2
Canonical SMILES
[Ca]
DSSTox ID
DTXSID9050484
UNII
SY7Q814VUP
Other attributes
Wikidata ID
Calcium (the chemical symbol is Ca, from Latin. Calcium) is a chemical element of the 2nd group (according to the outdated classification - the second group of the main subgroup, IIA), the fourth period of the periodic system of chemical elements of D. I. Mendeleev, with atomic number 20.
A simple substance, calcium is a moderately hard[3], soft, very light chemically active alkaline earth metal of silver-white color.
It was first obtained in pure form by G. Davy in 1808.
Calcium is one of the vital elements for organisms.
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.