Understanding Chemical Symbols

What is the atomic symbol for magnesium?

• MgO

• Mg

• M

• Mg2

How do we write magnesium in equations?

• Mg2

• Magnesiumium

• M

• Mg

What is the atomic symbol for iron?

• Fe

• I

• Ir

• Fe2

What is the atomic symbol for calcium?

• Ca

• Co

• Cl

• C

What is the atomic symbol for oxygen?

• Ox

• O2

• Oxy

• O

What is the atomic symbol for chlorine?

• Ch

• Cl2

• Cl

• C1

What is the atomic symbol for hydrogen?

• He

• O

• N

• H

What does a chemical formula show?

• A chemical formula shows the color of a substance.

• A chemical formula indicates the temperature of a substance.

• A chemical formula describes the physical state of a substance.

• A chemical formula shows the types and quantities of atoms in a substance.