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  1. Calcium | Ca | CID 5460341 - PubChem

    Calcium | Ca | CID 5460341 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards ...

  2. Calcium | Ca (Element) - PubChem

    Periodic Table element Summary Calcium Calcium is a chemical element with symbol Ca and atomic number 20. Classified as a n alkaline earth metal, Calcium is a solid at 25°C (room …

  3. Periodic Table of Elements - PubChem

    Interactive periodic table with up-to-date element property data collected from authoritative sources. Look up chemical element names, symbols, atomic masses and other properties, …

  4. Californium | Cf (Element) - PubChem

    Periodic Table element Summary Californium Californium is a chemical element with symbol Cf and atomic number 98. Classified as a n actinide, Californium is a solid at 25°C (room …

  5. GHS Classification Summary - PubChem

    GHS, the Globally Harmonized System of Classification and Labeling of Chemicals, was developed by the United Nations as a way to bring into agreement the chemical regulations …

  6. PubChem

    PubChem is the world's largest collection of freely accessible chemical information. Search chemicals by name, molecular formula, structure, and other identifiers. Find chemical and …

  7. Calcium Cation | Ca+2 | CID 271 - PubChem

    Apr 14, 2025 · Calcium (2+) is a calcium cation, a divalent metal cation and a monoatomic dication. It has a role as a human metabolite and a cofactor.

  8. Ionization Energy | Periodic Table of Elements - PubChem

    Explore how ionization energy changes with atomic number in the periodic table of elements via interactive plots.

  9. Calcium, isotope of mass 40 | Ca | CID 6337033 - PubChem

    May 6, 2025 · Calcium, isotope of mass 40 | Ca | CID 6337033 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological ...

  10. Berkelium | Bk (Element) - PubChem

    Chemical element, Berkelium, information from authoritative sources. Look up properties, history, uses, and more.