2022 Chem, Atomic Theory & Structure Review-QUIZ

Which scientist is famous for his cathode-ray tube experiment ?

• R. Milliken

• E. Rutherford

• W. Heisenberg

• JJ. Thomson

The atomic number represents:

• protons + neutrons

• protons

• neutrons

• electrons + neutrons

Which Philosopher thought matter was composed of atoms, but he thought they were indivisible. 

• J. Chadwick
• Democritus
• J. Dalton
• Aristotle

Which scientist discovered that electrons move outside the nucleus in orbitals within a cloud?

• N. Bohr

• J. Chadwick

• E. Schrodinger

• L. DeBroglie

Which scientist concluded that the atom is mostly empty space?

• E. Rutherford
• N. Bohr
• JJ. Thomson
• J. Dalton

The scientist who discovered the neutron is:

• JJ Thomson
• E. Rutherford
• J. Chadwick
• E. Schrodinger

Which scientist thought electrons moved in orbits like planets circling the sun?

• J. Dalton

• N. Bohr

• L. DeBroglie

• R. Milliken

Which scientist is famous for his oil drop experiment and eventually discovering the size of the charge on an electron and the mass of the electron?

• J. Chadwick

• R. Milliken

• J. Dalton

• N. Bohr

Which scientist believed, in a chemical reaction,  atoms are only rearranged to make new products?

• N. Bohr
• Democritus
• L. DeBroglie
• J. Dalton

Which scientist discovered the first sub-atomic particle?

• JJ Thomson

• E. Rutherford

• J Dalton

• E. Schrodinger