Science Quiz: Elements and Compounds

What are substances that cannot be broken down?

• Molecules

• Compounds

• Elements

• Atoms

How many elements exist naturally?

• 60

• 75

• 118

• 92

What is the smallest part of an element that can exist?

• Particle

• Molecule

• Atom

• Compound

What is a substance made up of atoms of two or more elements?

• Compound

• Element

• Atom

• Molecule

What shows the relative number of atoms of each element in a compound?

• Molecular Structure

• Atomic Number

• Periodic Table

• Chemical Formula

How many atoms are in a molecule?

• Four

• Three

• Two

• One

What is a group of two or more atoms that are strongly joined together?

• Compound

• Particle

• Element

• Molecule

What are the properties of a substance the properties of?

• Single Atom

• Many Atoms

• Compound

• Molecule

How many elements are listed in the Periodic Table?

• 118

• 92

• 60

• 75

What is a substance made up of atoms of one type of atom?

• Compound

• Molecule

• Element

• Particle