Atomic Theory
Authored by Steven Long
Chemistry
9th - 11th Grade
NGSS covered
Used 223+ times
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14 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Believed that atoms are small, hard particles that were "indivisible"
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Who was the first person to publish a theory about the existence of atoms?
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Which of the following are parts of Dalton's theory?
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Who was the first person to describe matter as "atoms"?
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Which of the following scientists added negatively-charged particles to the model of the atom?
6.
MULTIPLE SELECT QUESTION
15 mins • 1 pt
What were J. J. Thomson's three contributions to the atomic theory?
Discovered the electron
Discovered the nucleus -did the gold foil experiment
Used the cathode ray tube in his discovery
Created a model of the atom with electrons moving around the nucleus in fixed orbits
Created the "plum pudding" model of the atom
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
This is a model of what was thought be an atom after what experiment?
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