Metals
Non-metals
Metalloids
Noble gases
Thinking questions
100

Ni

Nickel

100

H

Hydrogen

100

B

Boron

100

Ne

Neon

100

Which element is used in coins?

Nickel

200

Au

Gold

200

O

Oxygen

200

As

Arsenic

200

Ar

Argon

200

Which element’s name is also the name of a planet?

Mercury

300

Cu

Copper

300

S

Sulfur

300

At

Astatine

300

Xe

Xenon

300

Which element has the symbol K, but its name does not start with K?

Potassium

400

Fe

Iron

400

Br

Bromine

400

Ge

Germanium

400

He

Helium

400

Which element makes up about 78% of the air we breathe?

Nitrogen

500

Zr

Zirconium

500

Se

Selenium

500

Po

Polonium

500

Kr

Krypton

500

What gas makes your voice squeaky if you breath from a balloon?

Helium