Chemistry Preassessment

Front

The symbol for Carbon is

Back

C

Front

What is the smallest? Options: worm, molecule, galaxy, atom

Back

atom

Front

Mixtures are created when two or more ______ are mixed together.

Back

substances

Front

Anything made of matter must _____________________.

Back

take up space and have mass

Front

The smallest basic unit of matter is a(n)

Back

atom

Front

A substance made of only one type of atom that cannot be broken down by chemical means

Back

element

Front

Substance made of atoms of different elements that are bonded together in a particular ratio

Back

compound

Front

What should you NOT do in a lab? Options: read the label of chemical bottles before using it, pour unused chemicals back into their original bottles, use lots of water to wash skin that has been splashed with chemicals, take only as much as you need of shared chemicals.

Back

pour unused chemicals back into their original bottles

Front

A substance made of only one type of atom that cannot be broken down by chemical means

Back

element

Front

How many atoms of hydrogen are in this compound?

Back

4