Atomic Theory & Periodic Table

15 Questions  I  By Mhagerty
This quiz covers the atomic theory including its history as well as how to use the periodic table to calculate #s of subatomic particles.  

  
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1.  Number of protons is always equal to the number of ___________________ in an uncharged atom (check ALL that are true). 
A.
B.
C.
D.
2.  The only subatomic particle that is NOT always equal to at atom's atomic number is ____________________. 
3.  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).
4.  It is possible to predict the exact speed and location of an electron. 
A.
B.
5.  How many electrons can fit into any electron shell/orbital EXCEPT the first? 
A.
B.
C.
D.
E.
6.  ___________________ is the scientist who came up with the "Plum Pudding Model" to describe atomic structure. 
7.  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). 
8.  ____________________ can be found rotating in circular orbits outside an atom's nucleus. 
9.  _____________________ is the scientist who originally proposed that electrons move in 'orbits' around the nucleus. 
10.  __________________________ 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. 
11.  _______________________ is the scientist who thought that atoms were "tiny, indestructable spheres" according to our video. 
12.  Neutrons can be found in an atom's ____________________. 
13.  Protons can be found in at atom's ___________________. 
14.  How many electrons can fit in the FIRST electron shell/orbital? 
A.
B.
C.
D.
E.
15.  _____________________ is the scientist who first coined the term 'nucleus' after his famous experiment shooting small particles at a sheet of gold foil. 
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