Front

What is a chemical property of a substance?

Back

A characteristic of a substance that becomes evident during a chemical reaction; it describes the substance's ability to undergo changes that transform it into different substances.

Front

What is the melting point of oxygen?

Back

The melting point of oxygen is 55 K (-218.79 °C or -361.82 °F).

Front

How does oxygen react with metals?

Back

Oxygen can combine with metals to form metal oxides, which are compounds.

Front

What is solubility?

Back

Solubility is the ability of a substance to dissolve in a solvent, such as water.

Front

What does it mean for a gas to be compressible?

Back

A gas is compressible if its volume can be reduced under pressure.

Front

What is a covalent bond?

Back

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

Front

What is an ionic bond?

Back

An ionic bond is a chemical bond formed through the electrostatic attraction between oppositely charged ions.

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.

Front

What is a molecule?

Back

A molecule is a group of two or more atoms bonded together, representing the smallest fundamental unit of a chemical compound.

Front

What is a compound?

Back

A compound is a substance formed when two or more different elements are chemically bonded together.