Modern Atomic Theory

Quiz
•
Chemistry
•
9th - 12th Grade
•
Medium
Standards-aligned
Ivan Gamez
Used 47+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
The observations of who led us to the law of definite proportions?
Dalton
Thomson
Rutherford
Bohr
Tags
112.35.c.6.A
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Who discovered the electron in the cathode-ray tube experiment?
Dalton
Thomson
Rutherford
Bohr
Tags
112.35.c.6.A
3.
MATCH QUESTION
15 mins • 1 pt
Match the following atomic model to its scientist
Rutherford
Dalton
Thomson
Bohr
Tags
112.35.c.6.A
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Ernest Rutherford discovered that the atom has a small, dense, and positive center called the what?
electron
orbital
isotope
nucleus
Tags
112.35.c.6.A
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the main difference between the Rutherford and Bohr atomic models?
There are no electrons in the Rutherford model
There is no nucleus in the Rutherford model
Electrons surround the nucleus in specific energy levels in the Bohr model
There are no electrons in the Bohr model
Tags
112.35.c.6.A
6.
REORDER QUESTION
15 mins • 1 pt
Order the following atomic models from oldest to most current:
Dalton
Thomson
Rutherford
Bohr
Tags
112.35.c.6.A
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
J.J. Thomson discovered in his cathode-ray tube experiment that electrons have what kind of charge?
positive
negative
neutral
Answer explanation
Because the ray was attracted towards the positively charged metal plate, J.J. Thomson discovered that electrons have a negative charge
Tags
112.35.c.6.A
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