Class 11ChemistryClassification of Elements and Periodicity in PropertiesValency and oxidation state
EasyWhich of the following elements exhibits variable oxidation states?
- ASodium
- BFluorine
- CChlorine
- DPotassium
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Similar Questions
Which metals follow the stock notation method?
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 SolutionWhich of the oxidation state$(s)$ is/are shown by the element sulphur?
Easy
View SolutionChoose the incorrect formula out of the four compounds for an element $X$ below.
DifficultJEE MAIN 2015
View SolutionWhich of the following elements exhibits a constant valency?
Medium
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