Calcium - Element information, properties and uses | Periodic Table
Calcium is a silvery-white, soft metal with atomic number 20 and relative atomic mass 40.078. It is essential for living things, widely used in industry and prepared by heating lime with aluminium in a vacuum.
Calcium - Wikipedia
Calcium is a chemical element with the symbol Ca and atomic number 20. Its standard atomic weight is 40.078±0.004 and it has a face-centred cubic crystal structure.
Calcium | Definition, Properties, & Compounds | Britannica
2024年9月9日 · calcium (Ca), chemical element, one of the alkaline-earth metals of Group 2 (IIa) of the periodic table. It is the most abundant metallic element in the human body and the fifth most abundant element in Earth ’s crust.
Calcium Facts – Atomic Number 20 and Element Symbol Ca
2015年6月5日 · Calcium is the 20 th element of the periodic table. These calcium facts contain chemical and physical data along with general information and history.
Calcium (Ca) - Periodic Table
Learn about calcium, the 20th element in the periodic table with symbol Ca and atomic number 20. Find out its physical, chemical, and thermodynamic properties, as well as its electron configuration, oxidation states, and crystal structure.
Periodic Table - Ptable
Ptable is an interactive web-based tool that allows you to explore the properties and characteristics of the elements in the periodic table. You can search by atomic number, element name, symbol, or block, and filter by scale, color, or decay mode.
Calcium - Periodic Table
Calcium is an alkaline earth metal and has been known since prehistoric times. Click for even more facts and information on this periodic table element.
Calcium - Periodic Table
Learn about calcium, the 20th element in the periodic table, with its atomic number, weight, configuration, history, and applications. Find out its physical and chemical properties, isotopes, and how it is used in alloys, cement, and reducing agents.
Calcium (Ca) [20] — Chemical Element — Periodic Table
Calcium is a silvery-white metal with atomic number 20 and symbol Ca. It has a melting point of 839 °C and a boiling point of 1484 °C. Learn more about its properties, isotopes, sources and uses.
Calcium - EniG. Periodic Table of the Elements
Calcium is an alkaline earth metal with atomic number 20 and relative atomic mass 40.078. It has various physical and chemical properties, such as density, melting point, ionization energies, isotopes, and reduction potentials.