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Covalent network solids typically have melting points and boiling points. the chemical formula of a network solid indicates in the molecule.

50 pts plz what is the physical state of matter of baking soda.

Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.