Atomic Model Pretest
12 Questions
| Total Attempts: 171
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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
- 2.The particle which is most like the proton in terms of mass is the __________________.
- 3.Almost all of an atoms mass is found in the _________________.
- 4.Electrons exist in...
- A.
Orbits
- B.
Energy levels
- C.
Probability clouds
- D.
None of the above
- 5.The atomic number represents the number of ______________.
- 6.The number of protons + the number of neutrons in an atom is represented by the atomic ___________________.
- 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.
- 8.Atoms are partially held together by _________________ forces. (The attraction between the proton and the electron).
- 9.Protons have a __________ charge.
- 10.Electrons have a ____________ charge.
- 11.Neutrons are __________________.
- 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
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