Matter Pre-Assessment

Front

What is a compound?

Back

A substance made of two or more elements that are chemically combined in a set ratio.

Front

What is the difference between an element and a compound?

Back

Compounds are made of more than one type of atom, while elements consist of only one type of atom.

Front

What type of mixture is created when Kool-aid powder is mixed with water?

Back

Homogeneous Mixture.

Front

Define a heterogeneous mixture.

Back

A type of mixture where you can see the different parts and they can easily be separated into their different parts.

Front

What is a mixture?

Back

A combination of two or more substances that are together in the same place but their atoms are NOT chemically bonded.

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is a homogeneous mixture?

Back

A mixture that has a uniform composition throughout, where the different components are not distinguishable.

Front

Give an example of a compound.

Back

Water (H2O) is a compound made of hydrogen and oxygen.

Front

What is a chemical formula?

Back

A way of expressing information about the proportions of atoms that constitute a particular chemical compound.

Front

What is an atom?

Back

The smallest unit of a chemical element, consisting of a nucleus surrounded by electrons.