A pure substance that consists of one type of atom.

• Element

• Compound

• Mixture

• Solution

The symbol for hydrogen is __________.

• Hy

• He

• H

• Hg

This tool is used by scientists to determine quickly the properties of elements.

• Period of Elements

• Periodic Table of Compound

• Element table

• Periodic Table of Elements

The element He stands for ______.

• Helium

• Hellum

• Halium

• Helum

Composed of two or more elements combined chemically.

• Elements

• Compound

• Mixture

• Solutions

Which of the following is an example of compound?

• Carbon

• Oxygen

• Carbon dioxide

• Sodium

The symbol for sodium is ______.

• So

• S

• Na

• Sd

Which of the following is an example of element?

• Sodium Chloride

• Carbon Monoxide

• Water

• Sulfur

Mg is the symbol for _______.

• Magnesium

• Manganese

• Mega

• Margarine

The symbol for gold is ______.

• G

• Go

• Ag

• Au