约 875 个结果
在新选项卡中打开链接
  1. nih.gov
    https://pubchem.ncbi.nlm.nih.gov/periodic-table

    Periodic Table of Elements - PubChem

  2. nih.gov
    https://pubchem.ncbi.nlm.nih.gov/periodic-table/atomic-mass

    Atomic Mass | Periodic Table of Elements - PubChem

  3. nih.gov
    https://pubchem.ncbi.nlm.nih.gov

    PubChem

  4. nih.gov
    https://pubchem.ncbi.nlm.nih.gov/element/C

    Carbon | C (Element) - PubChem

  5. nih.gov
    https://pubchem.ncbi.nlm.nih.gov/element/H

    Hydrogen | H (Element) - PubChem

  6. nih.gov
    https://pubchem.ncbi.nlm.nih.gov/element/Antimony

    Antimony | Sb (Element) - PubChem

  7. nih.gov
    https://pubchem.ncbi.nlm.nih.gov/element/Helium

    Helium | He (Element) - PubChem

  8. nih.gov
    https://pubchem.ncbi.nlm.nih.gov/element/Ytterbium

    Ytterbium | Yb (Element) - PubChem

  9. nih.gov
    https://pubchem.ncbi.nlm.nih.gov/compound/caffein

    Caffeine | C8H10N4O2 | CID 2519 - PubChem

  10. nih.gov
    https://pubchem.ncbi.nlm.nih.gov/element/Lead

    Lead | Pb (Element) - PubChem