USING THE PERIODIC TABLE

Part 1 - Match each of the following elements with the element in the list that has the most similar chemical properties.  Use the Periodic Table as a guide.

(A)  zinc (Zn)                                (F)  vanadium (V)                            (K)  rhenium (Re)
(B)  helium (He)                            (G)  phosphorus (P)                          (L) oxygen (O)
(C)  potassium (K)                         (H)  gold (Au)                                  (M)  yttrium (Y)
(D)  rhodium (Rh)                          (I)  indium (In)                                (N)  silicon (Si)
(E)  terbium (Tb)                           (J)  chlorine (Cl)                              (O)  radium (Ra)

____ 1.  cobalt (Co)                                    ____ 9.  manganese (Mn)

____ 2.  carbon (C)                                    ____ 10.  niobium (Nb)

____ 3.  argon (Ar)                                    ____ 11.  calcium (Ca)

____ 4.  cerium (Ce)                                  ____ 12.  scandium (Sc)

____ 5.  lithium (Li)                                    ____ 13.  mercury (Hg)

____ 6.  aluminum (Al)                               ____ 14.  selenium (Se)

____ 7.  iodine (I)                                      ____ 15.  arsenic (As)

____ 8.  copper (Cu)

Part 2 - Modified True or False - If the statement is false, replace the underlined word with a word that makes the statement true.

____________________ 16.  The electron configurations of all elements in Group 1 end in s1.

____________________ 17.  In the electron configuration for the outer energy level of potassium, 4s1, the
                                           coefficient 4 indicates the group number.

____________________ 18.  Elements such as silicon are called metalloids because they have properties of both
                                           metals and nonmetals.

____________________ 19.  Atoms with full outer energy levels are very reactive.

____________________ 20.  Elements with three or fewer electrons in the outer energy level are usually metals.

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