Chemistry, 21.01.2020 23:31 candlelight45
Ahard, crystalline solid with a high melting point does not conduct electricity in any phase. this solid is most likely:
(a) an ionic solid.
(b) a metallic solid.
(c) a molecular solid.
(d) a network covalent solid.
Answers: 2
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What prefix multiplier is appropriate for reporting a measurement of 5.57 ×10−5 m?
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The allotropes of carbon include a variety of structures that include three-dimensional tetrahedral lattices, planes of hexagonal rings, cylindrical tubes of hexagonal rings, and spheres of five- and six-membered rings. similar shapes of network covalent atomic solids are possible with carbon nitride, boron, and pure silicon (e.g., silicene is a graphene-like allotrope of pure silicon). in contrast, silicates exist as either highly ordered or amorphous (more random) three-dimensional lattices. what could explain why there are there no naturally occurring sheets, stacked sheets, cylindrical tubes, or spheres of network covalent atomic solids composed of silicon and oxygen (sio2)? would pure silicate structures make good lubricants or good electrical conductors?
Answers: 3
Ahard, crystalline solid with a high melting point does not conduct electricity in any phase. this s...
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