Chemistry Counting Atoms and Properties

Which of the following is a chemical property

• pH

• Reactivity

• Toxicity

• All of the above

Is wood burning a physical or chemical change?

• Physical 
• Chemical

Is Gatorade powder dissolving in water physical or chemical change?

• Physical 
• Chemical

The ability to dissolve in a liquid

• Is a physical property

• Is a chemical property

Physical Property

• A property that can be measured or observed without changing what it is
• A property of how matter behaves when it is brought into contact with other matter.
• A very small piece of matter
• Substances that make up everything

Texture, color, states of matter, flexibility, freezing & melting points

• Chemical Properties

• Physical Properties

• States of Mass

• Scientific matterology

Breaking a window or crumpling a piece of paper are examples of a....

• Physical Change

• Chemical Change

A state of matter in which the substance has a definite shape and definite volume.

• Gas

• Element

• Solid

• Liquid

Select ALL of the characteristics of a physical change

• changes in appearance only

• a new substance is not created

• changes in the ph level

• burning and fire

• chemical bonds are not created or broken

This is an example of a _________ change.

• physical

• chemical