MEDIUM
Stage 1 & 2
IMPORTANT
Earn 100

Which of the following periodic property generally decreases along a period?
(a)Metallic character
(b)Electron affinity
(c)Ionisation energy
(d)Valency

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Important Questions on Periodic Classification of Elements
MEDIUM
Stage 1 & 2
IMPORTANT
Chloride and potassium ions are isoelectronic. Then
