Elements and Compounds Review

Front

What is the difference between Co and CO?

Back

CO is two elements and Co is only one element.

Front

What is the place where known elements are represented?

Back

The Period Table.

Front

What does 'Na' represent in chemistry?

Back

Chemical Symbol.

Front

What is the best description of an element?

Back

A substance that cannot be broken down into simpler substances.

Front

How many elements are in the compound H2O?

Back

2.

Front

What is a compound?

Back

A substance formed when two or more elements are chemically bonded together.

Front

What is the chemical formula for table salt?

Back

NaCl.

Front

What is the smallest unit of an element?

Back

Atom.

Front

What is the difference between a mixture and a compound?

Back

A mixture is a combination of substances that can be separated, while a compound is a substance formed from two or more elements that cannot be separated by physical means.

Front

What is the chemical symbol for Gold?

Back

Au.