Properties of compounds

Front

What are the characteristics of ionic compounds?

Back

Ionic compounds are typically hard, brittle, have high melting and boiling points, and conduct electricity when dissolved in water. They are not soft.

Front

What type of bond is formed from the sharing of electrons?

Back

A covalent bond is formed from the sharing of electrons between atoms.

Front

What elements generally make an ionic bond?

Back

Ionic bonds are generally formed between metals and nonmetals.

Front

Is LiBr an ionic or covalent compound?

Back

LiBr is an ionic compound.

Front

What set of elements is most likely to form a covalent compound?

Back

Oxygen (O) and Carbon (C) are most likely to form a covalent compound.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons from one atom to another, while covalent bonds involve the sharing of electrons between atoms.

Front

What are some common properties of covalent compounds?

Back

Covalent compounds typically have lower melting and boiling points than ionic compounds, are often gases or liquids at room temperature, and do not conduct electricity.

Front

What is an example of a compound that contains both ionic and covalent bonds?

Back

An example is ammonium sulfate (NH4)2SO4, which contains ionic bonds between ammonium ions and sulfate ions, and covalent bonds within the ammonium ion.

Front

How do you determine if a compound is ionic or covalent based on its formula?

Back

If the compound is formed from a metal and a nonmetal, it is likely ionic. If it is formed from nonmetals, it is likely covalent.

Front

What is the role of electronegativity in bond formation?

Back

Electronegativity determines how strongly an atom attracts electrons. A large difference in electronegativity between two atoms typically leads to ionic bonding, while a small difference leads to covalent bonding.