Physical Science Chap 1. Review

______ is anything that has mass and takes up space

Each specific substance has its own combination of blank that could be used to identify the substance

The study of properties of matter and how matter changes?

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

• Element

• Formula

• Compound

• Atoms

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

• Element and Element

• Weight and Mass

• Density and matter

• Mass and volume

Elements can exist in an BLANK or a BLANK form.

• Uncombined or a combined

• Formula

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

• Compound

• Density

• Atoms

• Chemical changes

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

• Mass

• Weight

• Formula

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

• Mass

• Mixture

• Molecule

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

• Chemical change

• Chemical reaction

• Physical change