Practice 3.5 Lewis Dot Structures

Front

What do covalent compounds do?

Back

Covalent compounds share electrons.

Front

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

Back

The correct Lewis dot structure is option B.

Front

How many valence electrons does Carbon have?

Back

Carbon has 4 valence electrons.

Front

What type of bond involves three pairs of shared electrons?

Back

A triple bond involves three pairs of shared electrons.

Front

How many electrons does Hydrogen need in its valence shell to be stable?

Back

Hydrogen needs 2 electrons in its valence shell to be stable.

Front

What is a Lewis dot structure?

Back

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

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

What is a single bond?

Back

A single bond is a chemical bond between two atoms involving one pair of shared electrons.

Front

What is a double bond?

Back

A double bond is a chemical bond between two atoms involving two pairs of shared electrons.

Front

How do you determine the number of valence electrons in an element?

Back

The number of valence electrons can be determined by the group number of the element in the periodic table.