Answer
B and D are correct.
Work Step by Step
a) $Ca^{2+}$ and $O^{2-}$ would result in $CaO$
b) $Sr^{2+}$ and $Br^{-}$ results in $SrBr_2$
c) $Fe^{3+}$ and $O^{2-}$ would result in $Fe_2O_3$
d) $Li^{+}$ and $O^{2-}$ results in $Li_2O$
Chemistry and Chemical Reactivity (9th Edition)
by Kotz, John C.; Treichel, Paul M.; Townsend, John R.; Treichel, David A.
Published by
Cengage Learning
ISBN 10:
1133949649
ISBN 13:
978-1-13394-964-0
Chapter 2 Atoms, Molecules, and Ions - Study Questions - Page 95c: 48
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