Elements, Compounds, Mixtures

Front

What is a mixture?

Back

A combination of many different elements that are physically combined.

Front

How many Nitrogen atoms are in H₂C₃O₄N₅?

Back

5

Front

What is an example of an element?

Back

Gold is an example of an element.

Front

What is an element?

Back

A pure substance made from a single type of atom, such as iron, oxygen, hydrogen, gold, and helium.

Front

How many atoms of Oxygen are in Fe(NO₃)₃?

Back

9

Front

What is a compound?

Back

A substance formed when two or more elements are chemically bonded together.

Front

What is the difference between a mixture and a compound?

Back

A mixture is a physical combination of substances, while a compound is a chemical combination of elements.

Front

Can a mixture be separated by physical means?

Back

Yes, mixtures can be separated by physical means such as filtration or distillation.

Front

What are the building blocks of matter?

Back

Atoms are the building blocks of matter.

Front

What is the smallest unit of an element?

Back

An atom is the smallest unit of an element.