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  1. PERIODIC TABLE OF ELEMENTS

  2. PERIODIC TABLE OF ELEMENTS Chemical Group Block 18

  3. Ionization Energy | Periodic Table of Elements - PubChem

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

  4. Atomic Mass | Periodic Table of Elements - PubChem

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

  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 and standards of …

  6. Electronegativity | Periodic Table of Elements - PubChem

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

  7. Boiling Point | Periodic Table of Elements - PubChem

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

  8. Moscovium | Mc (Element) - PubChem

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

  9. Carbon | C (Element) - PubChem

    Carbon is unique among the elements in the vast number and variety of compounds it can form. With hydrogen, oxygen, nitrogen, and other elements, it forms a very large number of compounds, carbon …

  10. Density | Periodic Table of Elements - PubChem

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