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Question #e71de

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Aug 30, 2017

$(a) < (b) < (c)$ $(a)<(b)<(c)$

Explanation:

The second short period of periodic table is 3rd period.

(a) Sodium oxide( $N a_{2} O$ $Na_2O$ ) is highly ionic in nature

(b) Aluminium oxide( $A l_{2} O_{3}$ $Al_2O_3$ ) is amphoteric in nature

(c)Silicon oxide( $S i O_{2}$ $SiO_2$ ) exists as a giant molecule i.e quartz linked by covalent bonds.

So, the order of atomic number should be $(a) < (b) < (c)$ $(a)<(b)<(c)$

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