## Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning

# Chapter 2 Atoms, Molecules, and Ions - Study Questions: 37

#### Answer

a) $Ba^{2+}$ b) $Ti^{4+}$ c) $PO_4^{3-}$ d) $HCO_3^{-}$ e) $S^{2-}$ f) $ClO_4^{-}$ g) $Co^{2+}$ h) $SO_4^{2-}$

#### Work Step by Step

From the resources provided: a) Ba, Group 2A: $Ba^{2+}$ b) Ti, IV implies $4+$ charge: $Ti^{4+}$ c) From Table 2-4: $PO_4^{3-}$ d) From Table 2-4: $HCO_3^{-}$ e) From Table 2-4: $S^{2-}$ f) From Table 2-4: $ClO_4^{-}$ g) From Fig 2-18: $Co^{2+}$ h) From Table 2-4: $SO_4^{2-}$

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