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Chapter 10: Q70 E (page 591)

Classify each substance in the table as either a metallic, ionic, molecular, or covalent network solid

Short Answer

Expert verified

X is metallic, Y is covalent and Z is ionic solids.

Step by step solution

01

To classify each substances 

Metallic solid

Covalent solid

Molecular solid

Ionic solid

Electrical conductivity

Good conductors of heat and electricity

Poor conductors of heat and electricity

Poor conductors of heat and electricity

Poor conductors of heat and electricity

Melting point

Melting point depends strongly on electronic configuration

high

low

Relatively high melting point

Appearance

Malleable, ductile, lustrous

Hard,brittle and dull

Soft and dull surface

Hard,brittle and dull

Solubility in water

Insoluble

Insoluble

Insoluble

soluble

Hence Based on the table shown in the detailed section we can say that X is metallic, Y is covalent and Z is ionic solids.

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Most popular questions from this chapter

Determine the phase changes that carbon dioxide undergoes as the pressure changes if the temperature is held at −50°C? If the temperature is held at −40°C? At 20°C?

The surface tension and viscosity values for diethyl ether, acetone, ethanol, and ethylene glycol are shown here

(a) Explain their differences in viscosity in terms of the size and shape of their molecules and their IMFs.

(b) Explain their differences in surface tension in terms of the size and shape of their molecules and their IMFs:

Elemental carbon has one gas phase, one liquid phase, and two different solid phases, as shown in the phase diagram

  1. On the phase diagram, label the gas and liquid regions.
  2. Graphite is the most stable phase of carbon at normal conditions. On the phase diagram, label the graphite phase.
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  4. Circle each triple point on the phase diagram.
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Predict which will have the higher boiling point: ICl or Br2.Explain your reasoning.

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