Atomic Theory & Periodic Table
15 Questions
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This quiz covers the atomic theory including its history as well as how to use the periodic table to calculate #s of subatomic particles.
Questions and Answers
- 1.Protons can be found in at atom's ___________________.
- 2.Neutrons can be found in an atom's ____________________.
- 3.____________________ can be found rotating in circular orbits outside an atom's nucleus.
- 4.How many electrons can fit in the FIRST electron shell/orbital?
- A.
1
- B.
2
- C.
3
- D.
4
- E.
8
- 5.How many electrons can fit into any electron shell/orbital EXCEPT the first?
- A.
1
- B.
2
- C.
3
- D.
4
- E.
8
- 6.Number of protons is always equal to the number of ___________________ in an uncharged atom (check ALL that are true).
- A.
Atomic number
- B.
Prions
- C.
Neutrons
- D.
Electrons
- 7.The only subatomic particle that is NOT always equal to at atom's atomic number is ____________________.
- 8.It is possible to predict the exact speed and location of an electron.
- A.
True
- B.
False
- 9._______________________ is the scientist who thought that atoms were "tiny, indestructable spheres" according to our video.
- 10.___________________ is the scientist who came up with the "Plum Pudding Model" to describe atomic structure.
- 11._____________________ is the scientist who first coined the term 'nucleus' after his famous experiment shooting small particles at a sheet of gold foil.
- 12._____________________ is the scientist who originally proposed that electrons move in 'orbits' around the nucleus.
- 13.__________________________ is the scientist who has an "Uncertainty Principle" named after him, because he proposed that it is impossible to determine both the exact velocity and location of an electron.
- 14.Chlorine's atomic number is 17 and its atomic mass is 35. It must have ______ protons __________ neutrons and _______ electrons. (list all 3 numbers in a row with 1 space in between each).
- 15.Scandium's atomic number is 21 and its atomic mass is 45. It must have _____ protons, _____ neutrons, and _____ electrons. (list all 3 numbers in a row with 1 space in between each).
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