IGCSE Chemistry
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Friday, November 6, 2015
1.30 recall the charges of common ions in this specification
Positive
K +
Na +
Li +
H +
Doubly Positive
Mg 2+
Ca 2+
Triply Positive
Al 3+
Negative
Cl-
Br-
I-
F-
OH-
Doubly Negative
SO4 2-
CO3 2-
Triply Negative
NO 3-
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