LEARNING: PERIODIC TABLE

The Periodic Table, in your browser.

All 118 elements — click-to-detail with electron configuration, oxidation states, melting / boiling points, and an interactive Bohr-shell diagram.

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How to Read the Table

Each cell shows the atomic number (top-left), symbol (centre), and name (bottom). Cells colour-code by group: alkali metals, alkaline earths, transition metals, halogens, noble gases, lanthanides, actinides.

Quick Reference (text version)

    PERIODIC TABLE (first 20 elements, abbreviated)

    H                                                          He
    Hydrogen                                                    Helium
    1                                                          2

    Li Be                                B  C  N  O  F          Ne
    Lithium Beryllium                    Boron Carbon Nitrogen  Fluorine  Neon
    3  4                                 5  6  7  8  9          10

    Na Mg                                Al Si  P  S  Cl         Ar
    Sodium Magnesium                     Alum Silicon Phos Sul  Chlorine Argon
    11 12                                13 14 15 16 17         18

    K  Ca
    Potassium Calcium
    19 20

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