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The subshell electonic configuration of ...

The subshell electonic configuration of some elements are given below. (Symbols are not real)
`P - 1s^2 2s^2 2p^3`
`Q - [Ar] 3d^3 4s^2`
`R - 1s^2 2s^2 2p^6`
`S - 1s^2 2s^2 2p^6 3s^1`
a. Which of these elements can form coloured compound?
Which elements are included in the same block?
c. Identify the inert gas.
d. Write the chemical formula of the compound formed by the reaction of P and S.

Text Solution

Verified by Experts

a. Q
b. P,R
c. R
`d. S_3P`
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