Lewis Structures

Front

What is the octet rule?

Back

The octet rule states that most elements need 8 valence electrons to be stable.

Front

How many valence electrons does carbon (C) have?

Back

Carbon has 4 valence electrons.

Front

What is a Lewis structure?

Back

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

Front

How many total valence electrons are in CCl4?

Back

CCl4 has a total of 32 valence electrons.

Front

What is a double bond in a Lewis structure?

Back

A double bond is a type of chemical bond where two pairs of electrons are shared between two atoms.

Front

How many double bonds are present in CCl4?

Back

CCl4 has 0 double bonds.

Front

What is the significance of valence electrons in bonding?

Back

Valence electrons are the electrons in the outermost shell of an atom and are involved in forming bonds with other atoms.

Front

Which element has 7 valence electrons?

Back

Fluorine (F) has 7 valence electrons.

Front

What is the correct Lewis structure for a molecule of fluorine?

Back

The correct Lewis structure for fluorine is represented by option B.

Front

How many total valence electrons are participating in bonding in a molecule of CCl4?

Back

8 total valence electrons are participating in bonding in CCl4.