Atomic Theory

The idea that everything is made up of atoms was proposed by...

What did James Chadwick do?

Who proposed that atoms contain a small region that's positively charged called the nucleus?

What is a characteristic of Gamma Radiation?

What was Bohr's contribution to the Atomic Theory?

Who was NOT involved in the findings of mass and the atom?

What did Millikan contribute to Atomic theory?

Who conducted the oil drop experiment?

Elements combine in the same ratio by mass to form compounds is called the Law of

Who discovered x-rays given off by cathode ray tubes?

Who did experiments with electricity and the cathode ray tube?

What is the atomic number equal to?

According to Dalton's atomic theory, atoms

Who was considered the "father of chemistry"?

What Scientist was involved in electricity and the atom?

Who discovered all matter contains negatively charged particles called electrons?

What is the mass number?

What model did JJ Thomson make?

Who experimented with alpha particles in the Gold foil experiment?

What did Alchemists contribute to the theory of the atom?