Periodic Properties And Variation Of Properties Physical And Chemical — Chemistry STD 10 — Question
ICSE BoardEnglish MediumSTD 10ChemistryPeriodic Properties And Variation Of Properties Physical And Chemical1 Mark
Question
In the third period, which is the most metallic and most non-metallic element?
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Answer
The elements of third period are: Na, Mg, Al, Si, P, S, Cl, Ar The most metallic element is sodium i.e., Na and the most non-metallic element is chlorine i.e., Cl. Concept Insight: In a period, metallic character decreases on moving from left to right because of decrease in size of atom due to which elements cannot lose electron easily.
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