Chemical Bonds

Front

What happens to the charge of an atom when it loses two electrons?

Back

The atom will have a +2 charge.

Front

How many valence electrons does oxygen have?

Back

Oxygen has 6 valence electrons.

Front

What is the chemical formula for magnesium iodide?

Back

The chemical formula for magnesium iodide is MgI₂.

Front

What is the proper name for CaCl₂?

Back

The proper name for CaCl₂ is Calcium chloride.

Front

Why do noble gases not react with other elements?

Back

Noble gases do not react because they have 8 valence electrons.

Front

What is a chemical bond?

Back

A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds.

Front

What are the two main types of chemical bonds?

Back

The two main types of chemical bonds are ionic bonds and covalent bonds.

Front

What is an ionic bond?

Back

An ionic bond is formed when one atom transfers electrons to another atom, resulting in oppositely charged ions that attract each other.

Front

What is a covalent bond?

Back

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

Front

What is the octet rule?

Back

The octet rule states that atoms tend to gain, lose, or share electrons to achieve a full outer shell of 8 electrons.