"features of covalent compounds"

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In summary, covalent compounds are formed through the sharing of electrons between atoms and have low melting and boiling points, poor electrical conductivity, and strong bonds. Polar covalent compounds have unequal sharing of electrons, while nonpolar covalent compounds have equal sharing. Intermolecular forces, such as hydrogen bonding and dipole-dipole interactions, can affect the physical properties of covalent compounds. Electronegativity plays a crucial role in determining the polarity of covalent compounds. In comparison to ionic compounds, covalent compounds have lower melting and boiling points, are typically gases or liquids at room temperature, and do not conduct electricity.
  • #1
gracy
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In the subheading "features of covalent compounds"
what that means glucose(less solid) and sugar (more solid)
Please guide me.
 
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Sorry ,I forgot to attach the image.

chemistry.png
 
  • #3
chemistry2.png

It is more clear now.
 
  • #4
Please, help.
 
  • #5
This seems to be quite a strange book. There is no more or less solid. Also, instead of talking about covalent compounds being mostly liquid or gaseous, it would be more appropriate to refer to low melting and boiling points.
 
  • #6
DrDu said:
This seems to be quite a strange book.
Yes.You are right.
 
1.

What are the main features of covalent compounds?

Covalent compounds are formed through the sharing of electrons between atoms. They typically have low melting and boiling points, are poor conductors of electricity, and have strong bonds between atoms.

2.

What is the difference between polar and nonpolar covalent compounds?

Polar covalent compounds have an unequal sharing of electrons between atoms, resulting in a slight positive and negative charge on different ends of the molecule. Nonpolar covalent compounds have an equal sharing of electrons and no charge separation.

3.

How do intermolecular forces affect the properties of covalent compounds?

Intermolecular forces, such as hydrogen bonding, London dispersion forces, and dipole-dipole interactions, can influence the physical properties of covalent compounds. These forces determine the melting and boiling points, solubility, and viscosity of the compound.

4.

What is the role of electronegativity in covalent compounds?

Electronegativity, or the ability of an atom to attract electrons, plays a crucial role in the formation of covalent compounds. It determines the polarity of the bonds and the overall polarity of the molecule.

5.

How do the properties of covalent compounds differ from ionic compounds?

Covalent compounds have lower melting and boiling points, are typically gases or liquids at room temperature, and do not conduct electricity. In contrast, ionic compounds have high melting and boiling points, are usually solids at room temperature, and can conduct electricity in liquid or aqueous form.

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