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A/L 2011 MCQ 02
Chemical Calculations - 300
රසායනික ගණනය කිරීම් - 300
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Lesson :
ආවර්තික ගුණ විචලනය - Periodic trends
Question
C, P, S, As සහ Se යන මූල ද්රව්ය වල පරමාණුක අර වැඩිවන අනුපිළිවෙළ වනුයේ,
C < P < S < As < Se
C < P < S < Se < As
C < S < P < As < Se
C < S < Se < P < As
C < S < P < Se < As
