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The electronic configuration of two elem...

The electronic configuration of two elements `X` and `Y` are given below:
`X` = `1s^2 2s^2 2p^6 3s^2 3p^6 4s^2` and `Y`= `1s^2 2s^2 2p^6 3s^2 3p^5` The formula of the ionic compound can be formed between these elements is

A

XY

B

`XY_(2)`

C

`X_(2)Y`

D

`XY_(3)`

Text Solution

Verified by Experts

The correct Answer is:
B
`CaCl_(2)`
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Knowledge Check

  • The electronic configuration of two elements X and Y are given below: X = 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 Y= 1s^2 2s^2 2p^6 3s^2 3p^5 The formula of the ionic compound can be formed between these elements is

    A
    `XY`
    B
    `XY_(2)`
    C
    `X_(2)Y`
    D
    `XY_(3)`

  • The electronic configuration of two elements X and Y are given below : Y = 1 s^(2) 2 s^(2) 2p^(6) 3s^(2) 3p^(6) 4s^(2) : Y = 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(5) The formula of the ionic compound that can be formed between these elements is

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    B
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