Periodic Table Practice Worksheet With Answer Key - Regents Chemistry, Mr. Dolgos Page 2
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712) Alkali metals, alkaline earth metals, and halogens are found respectively in Groups
a) 1, 2, and 14
b) 1, 2, and 18
c) 1, 2, and 17
d) 2, 13, and 17
13) Compared to the atomic radius of a sodium atom, the atomic radius of a magnesium
atom is smaller. The smaller radius is primarily a result of the magnesium atom having
a) a smaller nuclear charge
c) a larger nuclear charge
b) fewer principal energy levels
d) more principal energy levels
14) Atoms of metallic elements tend to
a) gain electrons and form positive ions
c) lose electrons and form positive ions
b) lose electrons and form negative ions
d) gain electrons and form negative ions
malleable
15) Which element is considered a
substance?
a) sulfur
b) radon
c) hydrogen
d) gold
16) As we consider the elements of Period 2 from left to right, there is a general
decrease
in
a) ionization energy
c) nonmetallic character
b) metallic character
d) electronegativity
greatest
17) Which period contains the
number of metals?
a) 1
b) 2
c) 3
d) 4
18) As we move down Group 1 elements of the Periodic Table, the first ionization energy
of each element decreases. One reason for this is that
a) the nuclear charge is decreasing
b) the number of principal energy levels is decreasing
c) the distance between the valence electron and the nucleus is increasing
d) the number of neutrons is increasing
most
19) Which is the
active metal in the Periodic Table of Elements?
a) I
b) Fr
c) Cl
d) F
20) The properties of boron are characteristic of
a) a metal only
c) both a metal and a nonmetal
b) a nonmetal only
d) neither a metal nor a nonmetal
21) Which compound contains an alkaline earth metal and a halogen?
a) CaS
b) Rb
S
c) RbCl
d) CaCl
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