Elements and Compounds

Front

What is an element?

Back

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

Front

What is a compound?

Back

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

Front

How are elements represented in chemistry?

Back

Elements are represented by a chemical symbol, which is usually one or two letters.

Front

What is the chemical symbol for Oxygen?

Back

O

Front

What is the chemical symbol for Hydrogen?

Back

H

Front

What is the chemical symbol for Nitrogen?

Back

N

Front

What is the chemical symbol for Carbon?

Back

C

Front

How many elements are in the compound C13H9N?

Back

3 (Carbon, Hydrogen, and Nitrogen).

Front

What are the two most common elements in water?

Back

Oxygen and Hydrogen.

Front

What is the chemical symbol for Gold?

Back

Au