How many man-made elements are there in the periodic table?

• 96

• 68

• 13

• 24

The rows in the periodic tables are called not called periods. True or false?

• True

• False

What element is commonly present in acid rains?

• Gallium

• Mercury

• Sulphur

• Plutonium

Columns in the periodic table are called families and ___

All elements have to be metallic. True or false?

• True

• False

Which one is a metallic element?

• Krypton

• Sulphur

• Arsenic

• Mercury

What elements has “Foul Air” as another name because it smells bad?

• Lithium

• Hydrogen

• Nitrogen

• Megnesium

Mercury is a non-metal at ____ temprature

Is copper used to make green fireworks?

• No, it makes pink fireworks

• Yes

• No, it is used for blue fireworks

Carbon is called “The King Of Elements” because it has many pure forms like.. diamonds, graphene, graphite and so on. True or False?

• True

• False