ATOMIC THEORY

Which phase of matter exists at extremely low temperatures?

• GAS

• BOSE-EINSTEIN CONDENSATE

• SOLID

• PLASMA

Who believed that atoms and void make up the universe?

• ATISTOTLE

• DEMOCRITUS

• DALTON

• THOMSON

Which statement is NOT part of Dalton’s Atomic Theory?

• Atoms of the same element are identical.

• Atoms can be divided into smaller particles.

• Atoms combine in fixed ratios to form compounds.

• Atoms cannot be created or destroyed in chemical reactions.

Who proposed the “Plum Pudding Model”?

• DALTON

• RUTHERFORD

• THOMSON

• BOHR

Which experiment discovered the electron’s charge?

• CATHODE RAY TUBE

• GOLD FOIL EXPERIMENT

• OIL DROP EXPERIMENT

• DOUBLE SLIT EXPERIMENT

The smallest unit of matter that retains its properties

Anything that has mass and occupies space.

Greek philosopher who believed matter comes from air.

Philosopher who proposed that all matter is made of four elements: earth, air, fire, water.

Philosopher who, with Democritus, first proposed the idea of indivisible particles called “atomos.”