You are given four solids: CO₂ (dry ice, m.p. = -79 °C), H₂O (m.p.= 0 °C), SiO₂ (silica or sand, m.p. =1600 °C), and Al2O3 (polishing agent, m.p. = 2072 °C). Describe the bonds and forces present for each solid.

You are given four solids: CO₂ (dry ice, m.p. = -79 °C), H₂O (m.p.= 0 °C), SiO₂ (silica or sand, m.p. =1600 °C), and Al2O3 (polishing agent, m.p. = 2072 °C). Describe the bonds and forces present for each solid.

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter21: Chemistry Of The Nonmetals

Section: Chapter Questions

Problem 64QAP

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Concept explainers

States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.

Question

11
You are given four solids: CO₂ (dry ice, m.p. = -79 °C), H₂O (m.p.= 0 °C), SiO₂ (silica or sand, m.p.
=1600 °C), and Al2O3 (polishing agent, m.p. = 2072 °C). Describe the bonds and forces present
for each solid.
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