Covalent Bond REVIEW

Front

What is a property of molecular (covalent) compounds?

Back

Covalent compounds typically have low melting and boiling points.

Front

What is the correct Lewis dot structure for the molecule fluorine (F2)?

Back

The correct Lewis dot structure for F2 is represented by structure B.

Front

What is the chemical name for P2O5?

Back

The chemical name for P2O5 is Diphosphorous pentoxide.

Front

How many valence electrons does phosphorus have?

Back

Phosphorus has 5 valence electrons.

Front

Which structure represents the correct Lewis structure for PBr3?

Back

The correct Lewis structure for PBr3 is structure D.

Front

Define covalent bond.

Back

A covalent bond is a chemical bond formed by the sharing of electron pairs between atoms.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons.

Front

What is a molecule?

Back

A molecule is a group of two or more atoms bonded together by covalent bonds.

Front

What is the significance of valence electrons in covalent bonding?

Back

Valence electrons are the electrons in the outermost shell of an atom and are involved in forming covalent bonds.

Front

What is a Lewis dot structure?

Back

A Lewis dot structure is a diagram that shows the bonding between atoms and the lone pairs of electrons in a molecule.