Physical Science Chapter 2 Section 1

A sample of matter that has definite chemical and physical properties.

A combination of chemical symbols and numbers to represent a substance.

Three oxygen atoms (ozone) bound together (O₃) would be all of the following except...

Which of the these is an element?

A substance made up of atoms of two or more different elements that are chemical combined.

Which of the these is a mixture?

The scientific study of the composition, structure and properties of matter.

Which of the these is a pure substance?

Which category is NOT a pure substance?

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

Which of the these is an element?

A pure substance that cannot be broken down by ordinary chemical means.

Carbon dioxide (O₃) would be all of the following except...

Which of the these is a pure substance?

Matter is...

An element...

Which of the these is a compound?

Which of the these is a compound?

Smallest unit of a substance that keeps the physical and chemical properties of that substance.

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