Chemistry - 12

What are the parts of an atom?

• Protons, neutrons, and shells

• Protons, neutrons, and electrons

• Nucleus and protons

• Protons and electrons

Matter can be...

• Pure and impure

• Pure and homogenous

• Impure and heterogenous

Pure matter is divided into...

• Elements and molecules

• Molecules and mixtures

• Elements, molecules, and compounds

• Periodic table

Which one is representing an element?

• a

• b

• c

Which one is representing a compound?

• a

• b

• c

What is O3 (ozone)?

• Element

• Molecule

• Molecule and compound

• Element and molecule

All molecules are compounds.

• True

• False

All compounds are molecules.

• True

• False

Heterogenous mixtures are...

• Suspensions and colloids

• Solutions

Homogenous mixtures are...

• Suspensions and colloids

• Solutions