Download 1. In what order did Mendeleev arrange the elements in his periodic

Name: ____________________________________
Class: _____________
Date: _____________
Self Assessment: History of the Periodic Table
1. In what order did Mendeleev arrange the elements in his periodic table?
a) in the order solid, liquid, gas
b) decreasing atomic number
c) increasing number of neutrons
d) increasing atomic weight
2. What family of elements was unknown when Mendeleev created the periodic table?
a) noble gases
b) alkali metals
c) alkaline earth metals
d) halogens
3. Mendeleev predicted the existence of which then unknown element?
a) zinc
b) silicon
c) aluminum
d) germanium
4. In Mendeleev's periodic table, some elements seemed to be in reverse order. Mendeleev placed the
elements in what he thought was the correct order according to their _____.
a) electron arrangements
b) atomic weight
c) number of neutrons
d) chemical and physical properties
5. In the early 20th century, scientists discovered that the arrangement of the periodic table corresponded to
what property of atoms?
a) the atom's electron configuration
b) the element's melting point
c) the arrangement of the atom's nucleus
d) the mass of the atom's nucleus
PAGE 1
Name: ____________________________________
Class: _____________
Date: _____________
Self Assessment: History of the Periodic Table
6. What is true of the elements in a vertical column in the periodic table?
a) Each has one more proton than the element above it.
b) They have similar atomic masses.
c) They have similar properties.
d) Each has one more electron than the element above it.
7. What discovery helps to explain the irregular changes in atomic weight from one element to the next in the
periodic table?
a) the discovery of protons
b) the discovery of neutrons
c) the discovery of electrons
d) the discovery of electron energy levels
8. What general rule states that atoms can become stable by combining with other atoms so that each atom has
eight electrons in the outer electron shell?
a) the rule of eights
b) the noble gas rule
c) the law of octaves
d) the octet rule
9. Which column of elements in the periodic table is least likely to react easily with other elements?
a) the alkali metals
b) the nitrogen family
c) the oxygen family
d) the noble gas family
10. The elements on the left hand side of the periodic table are generally _____.
a) gases
b) metals
c) halogens
d) liquids
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ANSWER KEY
1. d
2. a
3. d
4. d
5. a
6. c
ANSWER KEY Page 1
7. b
8. d
9. d
10. b