Answer
A. $CH_4$
B. $SO_3$
C. $NO_2$
Work Step by Step
Simply count the number of each type of atom that appears in the molecule. Make sure the central atom goes first in the molecular formula and write the surrounding atoms after.
Introductory Chemistry (5th Edition)
by Tro, Nivaldo J.
Published by
Pearson
ISBN 10:
032191029X
ISBN 13:
978-0-32191-029-5
Chapter 5 - Molecules and Compounds - Exercises - Cumulative Problems - Page 161: 87
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