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Which of the following sets of atomic nu...

Which of the following sets of atomic numbers is of the alkali metals ?

A

`2,10,18`

B

`7,17,27`

C

`15,320,30`

D

`3,11,19`

Text Solution

Verified by Experts

The correct Answer is:
D
The atomic number of alkali metals are `3,11,19,37,55 and 87.`
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Knowledge Check

  • Which of the following sets of atomic number belongs to that of alkali metals?

    A
    1, 12, 30, 4, 62
    B
    37, 19, 3, 55
    C
    9, 17, 35, 53
    D
    12, 20, 56, 88

  • Which of the following sets of atomic numbers belongs to that of alkali metals?

    A
    `1, 12, 30,4, 62`
    B
    `37,19,3,55`
    C
    `9,17,35,53`
    D
    `12,20,56,88`

  • Which of the following sets of atomic numbers belongs to chalcogens

    A
    8,52,84
    B
    9,17,35
    C
    20,37,56
    D
    14,32,50