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পাঠসংশ্লিষ্ট ছবি/ইমেজ

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২৯ অক্টোবর, ২০২৬ ১১:২৮ পূর্বাহ্ণ

Why is silicon di oxide solid?

Silicon dioxide (SiO₂) is solid at room temperature because it has a giant covalent network structure. In SiO₂, each silicon atom is covalently bonded to four oxygen atoms, and each oxygen atom is bonded to two silicon atoms. These atoms form a continuous three-dimensional network of strong covalent bonds. A large amount of energy is required to break these strong covalent bonds. Therefore, SiO₂ has a high melting point and exists as a solid at room temperature.

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