Chemical bonds and Chemical Equations

Front

Why do elements bond?

Back

To become stable.

Front

Is the following equation balanced or unbalanced? Al + O2 --> Al2O3

Back

Unbalanced.

Front

When are atoms most stable?

Back

Atoms are most stable when their outer shell is complete.

Front

What does the arrow (----->) represent in a chemical equation?

Back

A reaction takes place.

Front

In the reaction of combustion, what are the products of burning carbon?

Back

Carbon dioxide and water.

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 three main types of chemical bonds?

Back

Ionic, covalent, and metallic 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 a chemical equation?

Back

A chemical equation is a symbolic representation of a chemical reaction, showing the reactants and products.