Chemical Bonding and Valence Electrons

Front

What are valence electrons?

Back

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

Front

How many valence electrons does Magnesium (Mg) have?

Back

Magnesium has 2 valence electrons.

Front

What type of bond is formed when electrons are transferred from one atom to another?

Back

Ionic bond.

Front

What happens to an atom when it gains electrons?

Back

It becomes an anion and is negatively charged.

Front

What is the charge of an anion?

Back

Negatively charged.

Front

What is the name of the ionic compound Al2O3?

Back

Aluminum oxide.

Front

What is the dot diagram used for?

Back

To represent the valence electrons of an atom.

Front

Which element has 7 valence electrons?

Back

Chlorine (Cl).

Front

What is the octet rule?

Back

Atoms tend to gain, lose, or share electrons to achieve a full outer shell of 8 electrons.

Front

What is a covalent bond?

Back

A covalent bond is formed when two atoms share one or more pairs of electrons.