ICSE Class 10 Chemistry 2015 Solved Paper

SECTION - II

Arrange the following as per the instructions given in the brackets :

Question : 35 of 85

Marks: +1, -0

{\Na}, {\K}, {\Cl}, {\S}, {\Si}

(increasing order of ionization energy)

Solution:

\; {\K}< {\Na}< {\Si}< {\S}< {\Cl}

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