1) In periodic table of elements, the symbol used for Iron is ________. a) Cu b) Ir c) Fe d) In 2) In periodic table of elements, the symbol used for Silver is ________. a) Au b) Ag c) Hg d) Si 3) The following elements are examples of Noble Gases, EXCEPT: a) Argon b) Krypton c) Neon d) Fluorine

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