Atoms and Chemistry Quiz

Who is credited for first proposing the idea of an atom?

• Aristotle

• Democritus

• Plato

• Socrates

How many kinds of atoms have scientists discovered?

• 92

• 150

• 118

• 64

What is the name of the chart where the 118 kinds of atoms are laid out?

• Chemical Chart

• Elemental Chart

• Atom Table

• Periodic Table

What did Democritus call the particles that he proposed as the fundamental building blocks of matter?

• Molecules

• Protons

• Electrons

• Atoms

Who conducted experiments to develop complex processes of filtration, boiling, vapor collection, and cooling to extract pure substances from crude starting materials?

• Marie Curie

• Albert Einstein

• Jobber Ebenhighn

• John Dalton

Which French husband-and-wife scientific duo studied and built upon the work of their Arabic predecessors to find that certain pure substances could be broken down further through chemical reactions?

• Marie and Antoine Lavoisier

• Marie and Pierre Lavoisier

• Marie and Louis Pasteur

• Marie and Pierre Curie

What are the foundational substances that cannot be created by mixing other chemicals together and cannot be broken down any further called?

• Compounds

• Particles

• Elements

• Molecules

What did John Dalton find when two elements can react to form multiple types of compounds?

• They always do so in decimal ratios

• They always do so in large whole number ratios

• They always do so in small whole number ratios

• They always do so in random ratios

What did French physicist Jean Perrin use to confirm the existence of atoms?

• Experiments

• Mathematical equations

• Telescope

• Microscope

What did a group led by Dr. Ara Apkarian discover a way to use to see atoms?

• Heat

• Sound

• Electricity

• Actual light