Question

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covalent network solids typically have melting points and boiling points. the chemical formula of a network solid indicates only the types of atoms the actual number of atoms the ratio of the types of atoms in the molecule.
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Explanation:

Covalent network solids are held together by strong covalent bonds throughout the entire lattice. This strong bonding requires a large amount of energy to break, resulting in high melting and boiling points. The chemical formula of a network solid, like \(SiO_2\) (silicon dioxide, a covalent network solid), indicates only the types of atoms and the ratio of the types of atoms in the "molecule" (in the case of network solids, the concept of a discrete molecule is different as it's a continuous lattice, but the formula shows atom types and their ratios). For example, in \(SiO_2\), there is a 1:2 ratio of Si to O atoms. It does not show the actual number of atoms as the lattice extends infinitely in a covalent network solid.

Answer:

Covalent network solids typically have high melting points and high boiling points. The chemical formula of a network solid indicates only the types of atoms and the ratio of the types of atoms in the "molecule".