Elements, Compounds and Mixtures

Front

What is a compound?

Back

A compound is a substance made up of two or more different types of atoms that are chemically combined.

Front

How can a compound be represented?

Back

A compound may be represented by a chemical formula, which shows the elements in the compound and the ratio of atoms.

Front

What type of molecule drawing shows no bonds and represents the actual size of the molecule?

Back

Space Filling Model.

Front

Are oxygen and nitrogen considered elements?

Back

True.

Front

When elements chemically combine, do they usually form compounds with properties similar to those of uncombined elements?

Back

False.

Front

What is the difference between a mixture and a compound?

Back

A mixture is a combination of two or more substances that are not chemically combined, while a compound is a substance formed when two or more elements are chemically bonded.

Front

What is a chemical formula?

Back

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

Front

What is the significance of the ratio of atoms in a compound?

Back

The ratio of atoms in a compound determines its chemical properties and behavior.

Front

Can compounds be separated into their constituent elements?

Back

Yes, compounds can be separated into their constituent elements through chemical reactions.

Front

What is an example of a compound?

Back

Water (H2O) is an example of a compound, consisting of two hydrogen atoms and one oxygen atom.