Periodic Table
Atomic Structure
Ionic Compound Names
Ionic Compound Formula
Challenge
100
What are the columns called?

Groups

100

A small, negatively charged particle.

electron

100

Name of KCl

Potassium Chloride

100

Sodium Iodide

NaI

100

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

Dmitry Mendeleev

200

What are the rows called?

periods

200

Particles found in the nucleus

protons and neutrons

200

Name of MgBr2

Magnesium Bromide

200

Calcium Oxide

CaO

200

How many elements have been discovered?

118

300

The periodic table is arranged in order of ascending _________.

Atomic Number

300

How many protons are in Sulfur?

16

300

BaS

Barium Sulfide

300

Potassium Oxide

K2O

300

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

Mercury

400

This groups is unreactive (stable)

Group 8 (noble gases)

400

How many neutrons are in argon?

22
400

AlCl3

Aluminum Chloride

400

Aluminum Oxide

Al2O3

400

What is the most common element on Earth?

Oxygen

500
Metals in this section can often form ions with different charges.

Transition metals

500

How many electrons does a sodium ion have?

10

500

CuBr2

Copper (II) Bromide

500

Iron (III) Chloride

FeCl3

500

What is the most expensive metal?

Rhodium ($15,250/ounce)

2. Iridium

3. Palladium

4. Gold

5. Platinum

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