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Subjects
Science CBSE
Class 9 New
Journey inside the atom
Textbook Based Questions
9.
Valency identification
Exercise condition:
3
m.
Answer the following question:
An atom has
\(11\)
protons and
\(11\)
neutrons. Determine its valency?
i.
Atomic number =
\(10\)
\(11\)
\(18\)
\(8\)
ii.
Electronic configuration =
(\(2, 8, 1\))
(\(2, 8, 2\))
(\(2, 9\))
(\(2, 8, 3\))
iii.
Valency =
\(2\)
\(4\)
\(3\)
\(1\)
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