Unit 3 Test
Authored by Katherine Cunningham
Chemistry
9th - 12th Grade
NGSS covered
Used 12+ times
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32 questions
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1.
CATEGORIZE QUESTION
3 mins • 4 pts
Organize the findings and models that each scientist contributed to the Atomic Theory.
Groups:
(a) John Dalton
,
(b) J.J. Thomson
,
(c) Ernest Rutherford
,
(d) Niels Bohr
Organized electrons into shells based on energy
Determined that the atom is mostly empty space with the gold foil experiment
Discovered the existence of the nucleus
Used Greek philosopher's ideas to create the first Atomic Theory
Discovered the electron with a cathode ray
2.
DROPDOWN QUESTION
1 min • 1 pt
The Greek Philosopher named (a) came up with the term (b) to describe his ideas about atoms.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT part of Dalton's Atomic Theory?
Atoms are indivisible
Atoms of a given element are always different from one another
Different atoms can combine to create compounds
Chemical reactions occur when atoms are separated, joined together or rearranged
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which atomic model is the most accurate, but hard to use?
Bohr Model
Plum Pudding Model
Planetary Model
Cloud of Probability
5.
MATCH QUESTION
1 min • 1 pt
Match each part of an atom to its charge.
Positive
Electron
Negative
Neutron
No Charge
Proton
6.
MATCH QUESTION
1 min • 1 pt
Match each part of an atom to its function.
Identifies the atom
Electron
Important in bonding and reactivity
Neutron
Stabilizes the atom
Proton
7.
HOTSPOT QUESTION
1 min • 1 pt
Where can you find an electron?
Tags
NGSS.HS-PS1-1
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