Ionic and Covalent Bonding Revi

Front

What charge does oxygen have when it becomes an ion?

Back

-2

Front

What type of bond is formed in MgBr2?

Back

Ionic Bond

Front

How many electrons are needed in the outer energy levels of an atom to be stable?

Back

8

Front

What does 8 electrons represent in an atom?

Back

Number of valence electrons

Front

What is a valence electron?

Back

The # of electrons in the last shell.

Front

What is an ionic bond?

Back

A bond formed by the transfer of electrons from one atom to another.

Front

What is a covalent bond?

Back

A bond formed by the sharing of electrons between atoms.

Front

What is the octet rule?

Back

Atoms tend to gain, lose, or share electrons to have 8 electrons in their outer shell.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve electron transfer; covalent bonds involve electron sharing.

Front

What is a molecule?

Back

A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound.