Quiz on Atoms, Elements, and Compounds

Who first suggested that all matter is made up of tiny, indivisible pieces?

• Aristotle

• Democritus

• Dalton

• Mendeleev

What does the word "atom" mean?

• Tiny particle

• Always moving

• Cannot be divided

• Can be bonded

How many naturally occurring types of atoms are there?

• 24

• 94

• 118

• 108

Which of the following is an element?

• Water

• Air

• Gold

• Salt

Which tool can be used to see atoms?

• Light microscope

• Electron microscope

• Scanning tunnelling microscope

• Hand lens

How many types of elements are known to science in total (natural + synthetic)?

• 108

• 94

• 118

• 112

Which of the following is made up of only one type of atom?

• Water

• Carbon

• Salt

• Air

The Periodic Table is arranged in:

• Circles

• Alphabetical order

• Groups and periods

• Random columns

Which element has atoms with the smallest mass?

• Lithium

• Hydrogen

• Helium

• Carbon

Which of the following is not a metal?

• Aluminium

• Calcium

• Potassium

• Nitrogen