An BLANK is a substance that cannot be broken down into any other substances by chemical or physical means

Each BLANK has its own symbol and is a one- or two-letter set of characters used to identify an BLANK

Elements can exist in an BLANK or a BLANK form.

A BLANK is a substance made of two or more elements chemically combined in a specific ratio

A BLANK is a combination of symbols that shows the ratio of elements in a compound

Two more substance-elements, compounds, or both- that are together in the same place but are not chemically combined into a new substance is a BLANK

A change that alters the form or appearance of a material but does not convert the material into a new substance is called a BLANK

A change in matter that produces a new substance is called a BLANK or a BLANK

What are the two basic ways that matter can change? BLANK and BLANK

The amount of space that matter occupies is called its blank

BLANK is the measurement of how much mass is contained in a given volume

To calculate the density of an object divides its BLANK by its BLANK

Adams are so small that for many years no one expected to see them a BLANK, BLANK BLANK can magnify matter so much that it can actually capture images of atoms

An Atom can frequently be linked with one or more other atoms. The force that holds two atoms together is a BLANK BLANK

A combination of two or more atoms that are bonded together is a BLANK BLANK

Gold can be separated from other blank in a mixture because of its blank

What does electrolysis mean?

Like copper, iron is usually found in an ore in the form of a blank. Like copper, the element iron must be separated from its compounds by a blank blank