Chemistry

Periodic Table

100

What are the columns called?

Groups

200

What are the rows called?

periods

300

The periodic table is arranged in order of ascending _________.

Atomic Number

400

This groups is unreactive (stable)

Group 8 (noble gases)

500

Metals in this section can often form ions with different charges.

Transition metals

Atomic Structure

100

A small, negatively charged particle.

electron

200

Particles found in the nucleus

protons and neutrons

300

How many protons are in Sulfur?

16

400

How many neutrons are in argon?

22

500

How many electrons does a sodium ion have?

10

Ionic Compound Names

100

Name of KCl

Potassium Chloride

200

Name of MgBr₂

Magnesium Bromide

300

BaS

Barium Sulfide

400

AlCl₃

Aluminum Chloride

500

CuBr₂

Copper (II) Bromide

Ionic Compound Formula

100

Sodium Iodide

NaI

200

Calcium Oxide

CaO

300

Potassium Oxide

K₂O

400

Aluminum Oxide

Al₂O₃

500

Iron (III) Chloride

FeCl₃

Challenge

100

What is the name of the scientist who created the periodic table?

Dmitry Mendeleev

200

How many elements have been discovered?

118

300

What is the only metal that is liquid at room temperature?

Mercury

400

What is the most common element on Earth?

Oxygen

500

What is the most expensive metal?

Rhodium ($15,250/ounce)

2. Iridium

3. Palladium

4. Gold

5. Platinum