Class 11ChemistryClassification of Elements and Periodicity in PropertiesValency and oxidation state
MediumWhich of the following elements exhibits a constant valency?
- A$H$
- B$Na$
- C$Fe$
- D$O$
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In the transition of $Zn$ atoms to $Zn^{2+}$ ions,there is a decrease in the
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View SolutionConsider the following information about elements $P$ and $Q$:
Element Period and Group $Q$ Period $2$,Group $15$ $P$ Period $3$,Group $2$
Then the formula of the compound formed by $P$ and $Q$ elements is:
| Element | Period and Group |
| $Q$ | Period $2$,Group $15$ |
| $P$ | Period $3$,Group $2$ |
Then the formula of the compound formed by $P$ and $Q$ elements is:
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View SolutionWhat is valency? Explain.
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