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

Which is the best description of an element?

Back

A substance that cannot be broken down into simpler substances.

Front

What is the place where known elements are represented?

Back

The Period Table.

Front

How many different elements are in the compound NaCl?

Back

2 (Sodium and Chlorine).

Front

Which one is a compound?

Back

NaCl.

Front

What is an element?

Back

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

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 water?

Back

H2O.

Front

What does the symbol 'Na' represent?

Back

Sodium.

Front

What is the main difference between a mixture and a compound?

Back

A mixture is a combination of substances that retain their individual properties, while a compound is a substance formed from two or more elements that lose their individual properties.