Class 11ChemistryClassification of Elements and Periodicity in PropertiesExtended or long form of periodic table
EasyWhich period contains most of the man-made radioactive elements?
- APeriod $5$
- BPeriod $6$
- CPeriod $7$
- DPeriod $4$
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Justify the given statement with suitable examples: "the properties of the elements are a periodic function of their atomic numbers".
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