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

2025年1月12日 · Calcium, one of the alkaline earth metals, chemical symbol Ca, atomic number 20, the most abundant metallic element in the human body.

Calcium is the 20th element in the periodic table and has a symbol of Ca and atomic number of 20. It has an atomic weight of 40.078 and a mass number of 40. Calcium has twenty protons and twenty neutrons in its nucleus, and twenty electrons in four shells.

Calcium is a chemical element with symbol Ca and atomic number 20. Classified as an alkaline earth metal, Calcium is a solid at room temperature.

Calcium is a chemical element. Its symbol on the periodic table (a list of all the elements) is Ca. Its atomic number is 20. (The atomic number says where Calcium sits in the periodic table.) It has 20 protons and 20 electrons (if is an atom, see ion). The most common isotopes are Ca-40 and Ca-44. Its mass number is about 40.08.

Get the facts about element Calcium (Ca) [20] from the periodic table. Find physical data, electron configuration, chemical properties, aggregation states, isotope data (including decay trees) as well as some historic information.

Calcium (pronunciation KAL-see-em [2]), represented by the chemical symbol or formula Ca [1], is a soft element belonging to the family of alkali earth metals [3]. Naturally occurring Ca is a mixture of 6 isotopes with mass numbers 40, 42, 43, 44, 46 and 48 [1, 3] .

Calcium is a chemical element of the periodic table with chemical symbol Ca and atomic number 20 with an atomic weight of 40.0784 u and is classed as alkaline earth metal and is part of group 3 (scandium group).

2020年11月21日 · The chemical symbol for Calcium is Ca. Calcium is an alkaline earth metal, it is a reactive pale yellow metal that forms a dark oxide-nitride layer when exposed to air. Its physical and chemical properties are most similar to its heavier homologues strontium and barium.

2024年9月1日 · Calcium element is in group 2 and period 4 of the Periodic table. Calcium is the s-block element and it belongs to alkaline earth metals group. Click on above elements (in Periodic table) to see their information. Why is Calcium in Group 2?