Class 11ChemistryClassification of Elements and Periodicity in PropertiesValency and oxidation state
EasyThe valency of inert gases is
- A$5$
- B$1$
- C$0$
- DNone of these
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Similar Questions
Choose the incorrect formula out of the four compounds for an element $X$ below.
DifficultJEE MAIN 2015
View SolutionThe number of elements among $O, Cl, F, N, P, Sn, Ti, K, Sc$ which show more than one non-zero oxidation state is:
Which of the following elements exhibits both positive and negative oxidation states?
Easy
View SolutionConsider the following information about elements $P$ and $Q$:
Element Information $P$ Period number: $2$,Group number: $15$ $Q$ Period number: $3$,Group number: $2$
Then,the formula of the compound formed by elements $P$ and $Q$ is:
| Element | Information |
|---|---|
| $P$ | Period number: $2$,Group number: $15$ |
| $Q$ | Period number: $3$,Group number: $2$ |
Then,the formula of the compound formed by elements $P$ and $Q$ is:
Difficult
View SolutionNumber of elements from the following that $CANNOT$ form compounds with valencies which match with their respective group valencies is
$B, C, N, S, O, F, P, Al, Si$
$B, C, N, S, O, F, P, Al, Si$
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