College Chemistry Quiz
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ATOMIC STRUCTURE & PERIODICITY
Question 1
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Which of the following pairs of ions would form an ionic compound with the formula
A
B
2
AB_2
A
B
2
?
A
C
a
2
+
Ca^{2+}
C
a
2
+
and
C
l
−
Cl^{-}
C
l
−
B
M
g
2
+
Mg^{2+}
M
g
2
+
and
O
2
−
O^{2-}
O
2
−
C
A
l
3
+
Al^{3+}
A
l
3
+
and
F
−
F^{-}
F
−
D
N
a
+
Na^{+}
N
a
+
and
S
2
−
S^{2-}
S
2
−
E
K
+
K^{+}
K
+
and
B
r
−
Br^{-}
B
r
−
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QUESTIONS
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A
B
C
D
E
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