Chemistry Ch. 1

Noble gasses are found in Group ___ on the periodic table.

Chemists use ____ to distinguish between substances and to separate them.

What kind of properties include boiling point, density, melting point, and conduction?

Any sample of matter can be classified either as a mixture or a ______ ______.

Nonmetals are in the ____ section of the periodic table.

Grinding, cutting, melting, and boiling a material are examples of _____ change.

Low conductivity describes a ____

When a substance reacts and forms a new substance, it is called a _____ change.

_____ research is generally carried out to solve a problem.

A compound can not be broken down into two or more simpler compounds or elements.

The air we breathe is a ______

Most metals are ___ which means they can be hammered or rolled into thin sheets.

Every sample of ____ ___ has the same characteristics and composition.

When physical or chemical changes occur, energy is always involved.

Metals with a high ___ ___ resist breaking when pulled.

Metals are in the ____ section of the periodic table.

_____ development involves the production and use of products that improve our quality of life.

____ is an example of a compound.

A mixture of clay and water is ________.

A ___ property describes the substance itself, rather than describing how it can change.

Metalloids are in the ___ section of the periodic table.

A salt water solution is ______.

Which of the following is not a branch of chemistry?

An element contains ____ kind(s) of atom(s).

______ research is carried out for the sake of increasing knowledge such as how, why and what.

Pure substances are either compounds or _____.

A chemical reaction and a chemical change are the same thing.

What kind of properties are volume, mass, and the amount of energy in a substance?