Introductory Chemistry (5th Edition)

Published by Pearson
ISBN 10: 032191029X
ISBN 13: 978-0-32191-029-5

Chapter 4 - Atoms and Elements - Exercises - Problems: 35

Answer

(a) False (b) True (c) False (d) True

Work Step by Step

(a) False- Mass of protons(1.00728 amu) 1.00 is almost identical to that of neutrons(1.00867 amu). (b) True- charge of electrons is -1, charge of protons is +1 (c) False- neutral atoms have equal amount of protons and electrons. (d) True- +1 charge of protons
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