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Standard VIII
Chemistry
Introduction to Carbon and Its Occurrences
Question 15Th...
Question
Question 15
The electron distribution of an aluminium atom is
(a) 2, 8, 3
(b) 2, 8, 2
(c) 8, 2, 3
(d) 2, 3, 8
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Solution
The answer is (a).
Aluminium atom has 13 protons and 13 electrons.
Therefore, Electronic configuration of
13
A
l
=
2
,
8
,
3
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Introduction to Carbon and Its Occurrences
Standard VIII Chemistry
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