Science Dudes

Who was the first person to mention atoms in his research?

• Avogadro
• Democritus
• Dalton
• Rutherford

Who discovered the nucleus using gold foil?

• Milliken
• Heisenberg
• Bohr
• Rutherford

Who had the first 4 part atomic theory about combining atoms in 1808?

• Heisenburg
• Rutherford 
• Dalton
• Bohr

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Who discovered the electron's charge by using the oil drop experiment?

• Milliken
• Bohr
• Debrogile
• Thompson

Who discovered the electron (NOT its charge) using the cathode ray tube?

• Thompson
• Milliken
• Heisenberg
• Dalton

Tags

NGSS.HS-PS2-5

What is the current model of the atom we use today?

• Plum Pudding
• Planetary
• Quantum mechanical 
• Nuclear model

Dalton Used the solid sphere model.

• True
• False

Tags

NGSS.HS-PS1-7

Who Proposed that electrons can jump between energy levels?

• Plank
• Bohr
• DeBrogile
• Milliken

The plum pudding model included the charges of the electrons.

• True
• False

Around what time did Democritus discover the atom?

• 1000 B.C.
• 400 B.C.
• 1919
• 1543