4.4.1: Practice Ions
- Page ID
- 236035
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Exercise \(\PageIndex{1}\)
For each element listed, tell whether it forms a cation or an anion. Then tell whether the charge is predictable or variable. If it is predictable, give the charge.
a) O
b) Li
c) Cl
d) Ca
e) Ti
f) Se
g) Fe
h) P
i) K
j) Ag
- Answer a
-
anion, predictable, –2
- Answer b
-
cation, predictable, +1
- Answer c
-
anion, predictable, –1
- Answer d
-
cation, predictable, +2
- Answer e
-
cation, variable
- Answer f
-
anion, predictable, –2
- Answer g
-
cation, variable
- Answer h
-
anion, predictable, –3
- Answer i
-
cation, predictable, +1
- Answer j
-
cation, predictable, +1
Exercise \(\PageIndex{1}\)
Which elements in the list below do not usually form ions at all?
Na Ne N C Ca Br B Si S Al
- Answer
-
Ne C B Si