Ionic and Covalent Bonds

Front

What are ionic bonds?

Back

Ionic bonds are formed when one atom transfers electrons to another atom, resulting in the formation of positive and negative ions that attract each other.

Front

What are covalent bonds?

Back

Covalent bonds are formed when two atoms share one or more pairs of electrons.

Front

How many valence electrons does calcium have?

Back

Calcium has 2 valence electrons.

Front

What is the correct formula for ammonia?

Back

The correct formula for ammonia is NH₃.

Front

How many valence electrons does hydrogen have?

Back

Hydrogen has 1 valence electron.

Front

Where are nonmetals located on the periodic table?

Back

Nonmetals are located on the right side of the periodic table.

Front

What happens when an atom loses an electron?

Back

When an atom loses an electron, it becomes a positive ion.

Front

What is a positive ion?

Back

A positive ion, or cation, is an atom that has lost one or more electrons, resulting in a net positive charge.

Front

What is a negative ion?

Back

A negative ion, or anion, is an atom that has gained one or more electrons, resulting in a net negative charge.

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 eight electrons.