Lewis Dot Diagrams

Front

What is a Lewis Dot Diagram?

Back

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

Front

How many valence electrons does carbon (C) have?

Back

Carbon has 4 valence electrons.

Front

What does a dot represent in a Lewis Dot Diagram?

Back

A dot represents a valence electron.

Front

How many valence electrons does oxygen (O) have?

Back

Oxygen has 6 valence electrons.

Front

What is the significance of valence electrons in chemical bonding?

Back

Valence electrons determine how an atom can bond with other atoms.

Front

What is the Lewis Dot Diagram for nitrogen (N)?

Back

The Lewis Dot Diagram for nitrogen shows 5 dots around the symbol N, representing its 5 valence electrons.

Front

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

Back

The number of valence electrons can be determined from the element's group number in the periodic table.

Front

What is the Lewis Dot Diagram for magnesium (Mg)?

Back

The Lewis Dot Diagram for magnesium shows 2 dots around the symbol Mg, representing its 2 valence electrons.

Front

What is the mass number of an atom?

Back

The mass number is the total number of protons and neutrons in the nucleus of an atom.

Front

How many protons does potassium (K) have?

Back

Potassium has 19 protons.