Atoms, Elements, Compounds, Mixtures

Front

What is an atom?

Back

The smallest unit of an element that retains the properties of that element.

Front

What is an element?

Back

A pure substance that is made from one type of atom.

Front

What is a compound?

Back

A pure substance formed when two or more different types of atoms bond together chemically.

Front

What is a mixture?

Back

A combination of two or more substances that are not chemically bonded.

Front

What is the difference between a compound and a mixture?

Back

A compound has a fixed composition and properties different from its constituent elements, while a mixture retains the properties of its individual components.

Front

What does the chemical formula C6H12O6 represent?

Back

Glucose, a compound made of carbon, hydrogen, and oxygen.

Front

What is the Periodic Table of Elements?

Back

A tabular arrangement of all known elements organized by their atomic number, electron configuration, and recurring chemical properties.

Front

How many atoms are in the molecule 8K2SO4?

Back

56 atoms (8 potassium, 2 sulfur, and 32 oxygen).

Front

What is a pure substance?

Back

A material that has a constant composition and consistent properties throughout.

Front

What is the property of compounds compared to their constituent elements?

Back

The properties of compounds are totally different than the properties of the elements that form them.