Atomic Model Pretest
12 Questions
| Attempts: 228
You must take this quiz to find out which of the activities within this step you must complete.
Questions and Answers
- 1.
Which of the following is NOT found within the nucleus of an atom?
- A.
Neutron
- B.
Proton
- C.
Electron
- D.
Quark
Correct Answer
C. Electron -
- 2.
The particle which is most like the proton in terms of mass is the __________________.
Correct Answer
neutron
Neutron - 3.
Almost all of an atoms mass is found in the _________________.
Correct Answer
nucleus
Nucleus - 4.
Electrons exist in...
- A.
Orbits
- B.
Energy levels
- C.
Probability clouds
- D.
None of the above
Correct Answer
C. Probability clouds -
- 5.
The atomic number represents the number of ______________.
Correct Answer
protons
Protons - 6.
The number of protons + the number of neutrons in an atom is represented by the atomic ___________________.
Correct Answer
mass
Mass - 7.
Electrons differ from protons in that....
- A.
They are larger and oppositely charged.
- B.
They are larger and neutral.
- C.
They are smaller and oppositely charged.
- D.
They are smaller and neutral.
Correct Answer
C. They are smaller and oppositely charged. -
- 8.
Atoms are partially held together by _________________ forces. (The attraction between the proton and the electron).
Correct Answer
electrostatic
Electrostatic - 9.
Protons have a __________ charge.
Correct Answer
positive
Positive - 10.
Electrons have a ____________ charge.
Correct Answer
negative
Negative - 11.
Neutrons are __________________.
Correct Answer
neutral
Neutral - 12.
Which two particles are found in equal numbers in a stable atom?
- A.
Protons and neutrons protons and neutrons
- B.
Protons and electrons
- C.
Neutrons and electrons
- D.
Protons, neutrons and electrons
Correct Answer
B. Protons and electrons -
Quiz Review Timeline +
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Current Version
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Jan 29, 2013Quiz Edited by
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Sep 24, 2011Quiz Created by
MielkesClass
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