Y7U1T3 - Elements and the Periodic Table Quiz

What does the Periodic Table show us?

• All known molecules

• All known atoms

• All known elements

• All known compounds

How many naturally occurring elements are there?

• 100

• 92

• 118

• 56

What is an element made of?

• One type of atom

• Multiple types of molecules

• A mixture of atoms and molecules

• Only non-metals

Which group of elements is the most reactive with water?

• Noble Gases

• Halogens

• Alkali Metals

• Transition Metals

What can you infer about the reactivity of Alkali Metals as you move down the group?

• Reactivity decreases

• Reactivity stays the same

• Reactivity increases

• Alkali Metals are non-reactive

Which of the following is NOT a property used to group elements in the Periodic Table?

• Atomic structure

• Symbol

• Period

• Colour

Which group contains the Noble Gases?

• Group 1

• Group 2

• Group 18

• Group 7

What does the number in each element's box represent on the Periodic Table?

• The number of protons in the nucleus

• The number of molecules

• The number of atoms in a molecule

• The molecule's atomic mass

Why do some elements not have symbols matching their English names?

• It's based on Latin names

• It's an error in the Periodic Table

• Some symbols are randomly chosen

• Symbols are based on atomic number

Which of the following elements is a gas at room temperature?

• Chlorine

• Magnesium

• Iron

• Sodium