Download Elements and the Periodic Table Practice Test

Elements and the Periodic Table Practice Test
1. _____________ are too small to see so scientists use
_______________ to better understand the structure of an atom.
Atoms contain protons, neutrons, and electrons.
2. ________________ is the center of an atom.
3. Provide the location for each of the subatomic particles (mentioned in
the previous problem).
4. Provide the charge for each subatomic particle.
5. The number of protons is equal to the atomic ____________.
6. Determine the number of protons, neutrons, and electrons for am Ar40 atom.
7. The 40 in the problem above represents the atom’s _______________.
8. What is the overall charge of the Ar-40 atom? Explain why.
9. There exists several _____________ of argon, such as Ar-36, Ar-38,
and Ar-40.
10.Yet the mass for argon on the periodic table is 39.948 atomic mass
units and not 36, 38, or 40. Explain why.
11.The old periodic table was arranged according to atomic
___________, while the modern table is arranged in order of atomic
______________.
12.On the periodic table, columns that go up and down are called
_________________.
13.Elements in the same group have _______________ properties and
these can be predicted based upon the location of the element on the
periodic table.
14.In which group are the most reactive metals?
15.In which group are the most reactive non-metals?
16.In which group are the most UNreactive non-metals?
17.List 3 examples of transition metals (those located in the middle of the
periodic table).
18.Provide an element with similar properties to…
a. Argon
b. Iodine
c. Americium (# 95)