
Atomic Models and Their Discoveries

Interactive Video
•
Chemistry, Science
•
10th - 12th Grade
•
Hard

Olivia Brooks
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who was the first to propose the concept of atoms as indivisible units?
John Dalton
Ernest Rutherford
J.J. Thomson
Democritus
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was a key limitation of Dalton's atomic theory?
It couldn't explain how atoms bond.
It couldn't explain the nucleus of an atom.
It couldn't explain the dual nature of electrons.
It couldn't explain the existence of electrons.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which model introduced the concept of electrons as negatively charged particles within a positively charged sphere?
Bohr's Model
Rutherford's Model
Thomson's Model
Quantum Mechanical Model
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was a major discovery in Thomson's atomic model?
The dual nature of electrons
The quantization of electron orbits
The existence of electrons
The existence of a nucleus
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What did Rutherford's model introduce about the structure of an atom?
Atoms are indivisible units.
Atoms have a dense nucleus.
Atoms have quantized orbits.
Atoms have dual nature.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why couldn't Rutherford's model explain the stability of atoms?
It didn't account for electron orbits.
It didn't explain the nucleus.
It didn't explain why electrons don't fall into the nucleus.
It didn't include subatomic particles.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What did Bohr's model introduce about electron movement?
Electrons move in fixed orbits with specific energies.
Electrons are scattered randomly.
Electrons are stationary.
Electrons have no specific path.
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