Chemical Reactions unit check for understanding

Front

Example of a chemical property of matter:

Back

The ability to rust

Front

Why are properties important in science?

Back

They help describe or identify a substance

Front

Which property is being demonstrated by the burning substance in the image?

Back

Chemical property

Front

What is a physical property?

Back

A characteristic that can be observed or measured without changing the substance

Front

Which of the following is NOT an example of a physical property? Burning, Mass, Texture, Shape

Back

Burning

Front

When can a chemical property be observed?

Back

When atoms rearrange during a chemical change

Front

Why are fireworks a good example to show a chemical property?

Back

Because fireworks involve atoms rearranging during a chemical change

Front

What is the smallest particle of an element, made of electrons, protons, and neutrons?

Back

Atom

Front

What best describes a molecule?

Back

The simplest unit of a chemical compound that can exist; formed when two or more atoms join together chemically

Front

What is a compound?

Back

A new substance with unique chemical and physical properties formed when two or more elements are chemically bonded during a chemical reaction