Lewis Dot Diagrams for Elements and Ions 24

Front

What is a Lewis Dot Diagram?

Back

A Lewis Dot Diagram is a representation of an atom's valence electrons using dots around the element's symbol.

Front

How many valence electrons does oxygen (O) have?

Back

Oxygen has 6 valence electrons.

Front

What is the Lewis Dot Diagram for Neon (Ne)?

Back

The Lewis Dot Diagram for Neon has 8 dots, representing its 8 valence electrons.

Front

What type of ions do elements on the left side of the periodic table typically form?

Back

Elements on the left side of the periodic table typically form positive ions.

Front

What is the goal of the Lewis Dot Structure?

Back

The goal of the Lewis Dot Structure is to show the element's valence electrons and bonding capabilities.

Front

How many valence electrons does aluminum (Al) have?

Back

Aluminum has 3 valence electrons.

Front

What is the Lewis Dot Diagram for an ion of Aluminum (Al 3+)?

Back

The Lewis Dot Diagram for Al 3+ has no dots, indicating it has lost all 3 valence electrons.

Front

What does a dot represent in a Lewis Dot Diagram?

Back

A dot represents a valence electron.

Front

Which group of elements typically has a full valence shell?

Back

Noble gases typically have a full valence shell.

Front

What happens to the valence electrons of an atom when it forms a positive ion?

Back

When an atom forms a positive ion, it loses one or more of its valence electrons.