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20 electronic confrigation of element

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20 electronic confrigation of element

    • Posted by Ankita Yadav 7 years, 3 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Yogita Ingle 7 years, 3 months ago

    Name Atomic Number Electron Configuration
    Hydrogen 1 1s1
    Helium 2 1s2
    Lithium 3 1s2 2s1
    Beryllium 4 1s2 2s2
    Boron 5 1s2 2s22p1
    Carbon 6 1s2 2s22p2
    Nitrogen 7 1s2 2s22p3
    Oxygen 8 1s2 2s22p4
    Fluorine 9 1s2 2s22p5
    Neon 10 1s2 2s22p6
    Sodium 11 1s2 2s22p63s1
    Magnesium 12 1s 2 2s22p63s2
    Aluminum 13 1s2 2s22p63s23p1
    Silicon

    14

    		 1s2 2s22p63s23p2
    Phosphorus 15 1s2 2s22p63s23p3
    Sulfur 16 1s2 2s22p63s23p4
    Chlorine 17 1s2 2s22p63s23p5
    Argon 18 1s2 2s22p63s23p6
    Potassium 19 1s2 2s22p63s23p64s1
    Calcium 20
    1s2 2s22p63s23p64s2

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