Module 7 Covalent bonding Test

Front

What is a covalent bond?

Back

A covalent bond is a chemical bond formed when two atoms share one or more pairs of electrons.

Front

What determines the strength of a covalent bond?

Back

The number of shared electron pairs between the bonded atoms.

Front

What is the molecular shape of a molecule with two bonded atoms and no lone pairs?

Back

Linear.

Front

What is the molecular shape of a molecule with two bonded atoms and one lone pair?

Back

Bent/Angular.

Front

What is the name of the molecule CO?

Back

Carbon monoxide.

Front

What is the name of the molecule CO2?

Back

Carbon dioxide.

Front

What is a Lewis dot structure?

Back

A diagram that shows the bonding between atoms of a molecule and the lone pairs of electrons that may exist.

Front

How many valence electrons does fluorine (F) have?

Back

7 valence electrons.

Front

What is the molecular geometry of a molecule with four bonded atoms and no lone pairs?

Back

Tetrahedral.

Front

What is the bond angle in a tetrahedral molecule?

Back

Approximately 109.5 degrees.