NEXT QUESTION:
State which is more electronegative, sodium or chlorine. Explain your answer.[ 3 MARKS]
p/s- soalan ini diubah sedikit dari soalan sebenar SPM 2010-[diberi diagram JADUAL BERKALA PERIOD 3]
ANSWER -MARKING SCHEME
MARK 1 : Chlorine is more electronegative.
MARK 2 : It has smaller atomic size or atomic radius smaller.
MARK 3 : Strong nucleus attraction on the valence electron become easier to receive electron//accept outside electron
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