About 12,900 results
Open links in new tab
  1. Argon - Wikipedia

    Argon ... Argon is a chemical element; it has symbol Ar and atomic number 18. It is in group 18 of the periodic table and is a noble gas. [11] Argon is the third most abundant gas in Earth's atmosphere, at …

  2. Argon | Properties, Uses, Atomic Number, & Facts | Britannica

    Feb 16, 2026 · Argon is a chemical element, an inert gas of Group 18 (noble gases) of the periodic table. It is terrestrially the most abundant and industrially the most frequently used of the noble …

  3. Argon - Element information, properties and uses | Periodic Table

    Element Argon (Ar), Group 18, Atomic Number 18, p-block, Mass 39.95. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

  4. 10 Argon Facts - Ar or Atomic Number 18 - ThoughtCo

    Jun 10, 2025 · Argon is a nonflammable noble gas and is the third most abundant gas in Earth's atmosphere. Argon emits a blue-violet glow and is commonly used in lasers and light bulbs. Argon is …

  5. Argon | Ar (Element) - PubChem

    Periodic Table Argon Argon is a chemical element with symbol Ar and atomic number 18. Classified as a noble gas, Argon is a gas at 25°C (room temperature).

  6. Argon Definition, Facts, Symbol, Discovery, Property, Uses

    Argon (pronunciation: AR-gon) is a colorless, odorless, inert element belonging to the group of inert gases in the periodic table and is represented by the chemical symbol Ar [1, 2, 3].

  7. Argon Element | Uses, Facts, Physical & Chemical Characteristics

    Argon is a rare and inert gas and belong to the Nobel gases. It was discovered by Sir William Ramsay and Lord Rayleigh in 1894. It emits unique and sharp spectral lines and is widely used in high speed …