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Group 7(17), the halogens
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Question 18
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Which ionisation process requires less energy than the one shown below?
Mg(g)→Mg+(g)+e− \text{Mg(g)} \rightarrow \text{Mg}^{+}(\text{g}) + \text{e}^{-}
Mg(g)
→
Mg
+
(
g
)
+
e
−
A
Be(g)→Be+(g)+e− \text{Be(g)} \rightarrow \text{Be}^{+}(\text{g}) + \text{e}^{-}
Be(g)
→
Be
+
(
g
)
+
e
−
B
Si(g)→Si+(g)+e− \text{Si(g)} \rightarrow \text{Si}^{+}(\text{g}) + \text{e}^{-}
Si(g)
→
Si
+
(
g
)
+
e
−
C
Al(g)→Al+(g)+e− \text{Al(g)} \rightarrow \text{Al}^{+}(\text{g}) + \text{e}^{-}
Al(g)
→
Al
+
(
g
)
+
e
−
D
Mg+(g)→Mg2+(g)+e− \text{Mg}^{+}(\text{g}) \rightarrow \text{Mg}^{2+}(\text{g}) + \text{e}^{-}
Mg
+
(
g
)
→
Mg
2
+
(
g
)
+
e
−
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Group 7(17), the halogens Questions
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Group 7(17), the halogens
