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Write the number of vertical columns in ...

Write the number of vertical columns in the periodic table. What are these columns called?

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The number of vertical columns in the periodic table is 18.These columns are called groups.
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Knowledge Check

  • Match the column

    A
    B
    C
    D

  • Match the column

    A
    (i)a(ii)b(iii)d(iv)c
    B
    (i)b(ii)a(iii)d(iv)c
    C
    (i)b(ii)c(iii)d(iv)a
    D
    (i)a(ii)c(iii)d(iv)b

  • Match the column

    A
    (i)b(ii)d(iii)a(iv)c
    B
    (i)b(ii)a(iii)d(iv)c
    C
    (i)d(ii)a(iii)b(iv)c
    D
    (i)a(ii)b(iii)c(iv)d

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