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Chemistry CBSE Live product
Class 9
Structure of the atom
Valency and its role in chemical bond formation
8.
Valency identification
Question:
3
m.
Find the valency of an atom.
1.
An atom has
\(11\)
protons and
\(11\)
neutrons. Determine its valency?
i.
Atomic number =
\(10\)
\(18\)
\(11\)
\(8\)
ii.
Electronic configuration =
(\(2, 8, 1\))
(\(2, 8, 2\))
(\(2, 8, 3\))
(\(2, 9\))
iii.
Valency =
\(3\)
\(1\)
\(4\)
\(2\)
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