Periodic Table Review

All matter is made of tiny particles called

• Atoms

• Matter

• Hydrogen

• Particles

The atomic number of Oxygen is

• 15.999

• 8

The atomic number for Iron is 26, what is the atomic symbol

• I

• Fe

• Ir

• F

This is a Bohr model for what element?

• Hydrogen

• Lithium

• Helium

• Hexagon

Electrons have a ________ charge.

• Neutral

• Positive

• Negative

• Full

Protons have a _________ charge.

• Neutral

• Positive

• Negative

• Nothing

The atomic mass of Calcium is?

• 20

• Na

• 40.078

• 44.078

How do you find out the number of neutrons in an atom?

• Atomic Mass - Atomic Number

• Atomic Mass - Atomic Mass

• Atomic Number - Atomic Mass

• Protons - Electrons

How many elements on the periodic table?

• 118

• 20

• 103

• 44

A Period on the periodic table is also known as a _______

• group

• column

• row