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Question 2.8: Name the following ionic compounds:(a) CaS (b) Al(NO3)3 (c) ...

Name the following ionic compounds:
(a) CaS                (b) Al(NO_{3})_{3}              (c) FeCl_{2}

STRATEGY

Recall symbols for elements, symbols for polyatomic ions (Table 2.2), and suffixes for nonmetals.

Table 2.2 Some Common Polyatomic Ions

-3 -2 -1 +1
PO_{4}^{3-} (phosphate) CO_{3}^{2-} (carbonate) OH^{-} (hydroxide) NH_{4}^ {+} (ammonium)
SO_{4}^{2-} (sulfate) NO_{3}^{-}(nitrate) Hg_{2}^ {2+} (mercury I)
CrO_{4}^{2-} (chromate) ClO_{3}^{-} (chlorate)
Cr_{2}O_{7}^{2-} (dichromate) ClO_{4}^{-}(perchlorate)
HPO_{4}^{-2} (hydrogen phosphate) CN^{-} (cyanide)
C_{2}H_{3}O_{2}^{-} (acetate)
MnO_{4}^{-} (permanganate)
HCO_{3}^{-} (hydrogen carbonate)
H_{2}PO_{4}^{-} (dihydrogen phosphate)
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