Safety, Elements, Compounds, Counting Atoms Test Review

Front

What should you do if you need to note the odor of a substance in the lab?

Back

You should waft or wave the vapors towards your face.

Front

Is it safe to help a friend at another lab table while waiting for water to boil?

Back

No, it is not safe to help a friend at another lab table.

Front

Do people who wear glasses or contacts need to wear goggles in the science lab?

Back

Yes, they still need to wear goggles.

Front

How many Hydrogen (H) atoms are in the compound C6H12O6?

Back

There are 12 Hydrogen (H) atoms.

Front

What should you do if a chemical is splashed in your eyes?

Back

Tell your teacher as you go to the eyewash station.

Front

What is a substance made of two or more elements chemically combined?

Back

A compound.

Front

What is the smallest unit of an element that retains its properties?

Back

An atom.

Front

What is the term for a mixture that has a uniform composition throughout?

Back

A homogeneous mixture.

Front

What is the process of separating a solid from a liquid in a mixture?

Back

Filtration.

Front

What is the chemical formula for water?

Back

H2O.