Atoms, Elements, Compounds, Mixtures

Front

What is an atom?

Back

An atom is the smallest unit of matter that retains the properties of an element.

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is a compound?

Back

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

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded and can be separated by physical means.

Front

How many total atoms are in the molecule 8K2SO4?

Back

56

Front

What distinguishes a molecule from an element?

Back

A molecule is a group of two or more atoms bonded together, while an element consists of only one type of atom.

Front

What is the chemical symbol for Phosphorus?

Back

The chemical symbol for Phosphorus is P.

Front

What is the difference between a homogeneous mixture and a heterogeneous mixture?

Back

A homogeneous mixture has a uniform composition throughout, while a heterogeneous mixture has a non-uniform composition.

Front

What is the significance of the periodic table in understanding elements?

Back

The periodic table organizes elements based on their atomic number and properties, helping to predict their behavior.

Front

What is the definition of a chemical bond?

Back

A chemical bond is the force that holds atoms together in a compound.