Electron Dot Diagrams and Ions

Front

What is an Electron Dot Diagram?

Back

A visual representation of the valence electrons in an atom, using dots around the element's symbol.

Front

What are Valence Electrons?

Back

The number of electrons in the outermost shell of an atom that are involved in chemical bonding.

Front

What is the charge of a Magnesium ion?

Back

Mg²⁺ (Magnesium loses two electrons to form a positive ion).

Front

What charge do elements in Group 16 typically form when they become ions?

Back

2- (They gain two electrons to achieve a full outer shell).

Front

Which element has 3 valence electrons?

Back

Aluminum (Al) has 3 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 to form compounds.

Front

How many valence electrons does Oxygen (O) have?

Back

Oxygen has 6 valence electrons.

Front

What is the Electron Dot Diagram for Boron (B)?

Back

Boron has 3 dots representing its 3 valence electrons.

Front

What is the Electron Dot Diagram for Chlorine (Cl)?

Back

Chlorine has 7 dots representing its 7 valence electrons.

Front

What happens to the valence electrons of Sodium (Na) when it forms an ion?

Back

Sodium loses 1 valence electron to form Na⁺.