Matter Test 1

Why are cutting and pasting considered a physical change?

Name the elements in the following chemical compound C2H5OH

When a substance changes physically, ___ are made as a result of the change.

In the word heterogeneous "hetero" means

Why has rain undergone a physical change when it turns to ice?

The substance in __ mixtures are so evenly mixed you can't see the different parts

All of the following are examples of physical changes except.

A scientist can use properties to _____ a mixture into its parts

___ is the study of matter and how matter changes.

There are 2 different types of matter_____ and ____.

There are 2 types of mixtures

A molecule is a

Another name for a chemical change is..

How many atoms are in the chemical formula C2H5OH

When a type of matter changes in size, but not identity, it is a _____ change.

A(n) __shows the elements in a compound and the amount of atoms in each element in the compound

Basic particles that all elements are made of is called a(n)

In a heterogeneous mixture, you can easily see the different parts. Which is an example?

All of the following are examples of chemical changes except....

A(n) is made of 2 or more substances that are together but atoms haven't chemical bonded

A change in matter that occurs when atoms link together in new ways to create a new substance

A(n) is a substance made of 2 or more elements that are combined in a set ratio.

H20 is the chemical formula for

Mixtures are different from compounds because each substance in a mixture__ its own properties

How many atoms are in the following chemical formula NaHCO3