#### Answer

(a) 3
(b) 1
(c) 2
(d) 6

#### Work Step by Step

The number of atoms in a formula is the number followed right after the symbol of an element. (e.g H3PO4 have 3 hydrogen atoms and 1 phosphate atom.)

Published by
Pearson

ISBN 10:
032191029X

ISBN 13:
978-0-32191-029-5

(a) 3
(b) 1
(c) 2
(d) 6

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