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Chemistry
Chemistry
Problem
The radius of the second orbit of
He
+
\text{He}^+
He
+
is
r
2
,
He
+
r_{2,\text{He}^+}
r
2
,
He
+
and that of the first orbit of hydrogen is
r
1
,
H
r_{1,\text{H}}
r
1
,
H
. What is the ratio
r
2
,
He
+
r
1
,
H
\dfrac{r_{2,\text{He}^+}}{r_{1,\text{H}}}
r
1
,
H
r
2
,
He
+
? a) 4 b) 1 c) 2 d) 0.5
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