ELEMENTS SYMBOLS
CLASSIFYING ELEMENTS
FAMOUS DISCOVERIES
ATOMIC NUMBERS
ELEMENT USES
100

This elements symbol is H

What symbol does hydrogen have?
100

Elements in group one are called?

What are alkali metals?

100

Dmitri Mendeleev is credited with creating this

What is the periodic table?

100

Hydrogen is atomic number

What is 1?

100

Helium is commonly used in these floating party decorations.

What are balloons?

200

The symbol of W.

What symbol is Tungsten?

200

The elements in the f-block are collectively called

What are lathanide and actinides?

200

This scientist discovered X-rays while experimenting with cathode rays.

Who is Wilhelm Röntgen?

200

Uranium’s atomic number is

What is 92?

200

This element is used in nuclear power plants and weapons.

What is uranium?

300

The symbol of Fe is commonly known as this

What symbol is Iron?
300

Group 17 elements are known as

What are halogens?

300

Marie Curie discovered this radioactive element

What is radium?

300

Carbon has this atomic number.

What is 6?

300

Silicon is essential in making these modern devices.

What are computers (or microchips)?

400

The symbol is Pt

What symbol is Platinum?

400

These elements found along the stair-step line are called

What are metalloids?

400

This element was first isolated by Humphry Davy in 1807.

What is sodium?

400

Oxygen’s atomic number is

What is 8?

400

Lithium is used in rechargeable ___.

What are batteries?

500

The symbol K is accosiated with this.

What symbol does Potassium has?

500

Group 18 elements are classified as

What are noble gasses?

500

The discovery of helium was first made in this celestial body.

What is the sun?

500

Gold has this atomic number

What is 79?

500

Titanium is prized for making these strong, lightweight vehicles.

What are airplanes (or aircraft)?