Chemistry (7th Edition)

Published by Pearson
ISBN 10: 0321943171
ISBN 13: 978-0-32194-317-0

Chapter 2 - Atoms, Molecules, and Ions - Section Problems - Page 74: 103

Answer

(a) Mercury (Hg) (b) Platinum (Pt) (c) Osmium (Os) (d) Bismuth (Bi)

Work Step by Step

The identity of an element is given by its atomic number; therefore, we just have to determine them in each case and use a periodic table to get the correct answer. ** The atomic number (Z) is the bottom left number of the symbol. (a) Z = 80; Mercury (Hg) (b) Z = 78; Platinum (Pt) (c) Z = 76; Osmium (Os) (d) Z = 83; Bismuth (Bi)
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