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Chemistry CBSE Live product
Class 9 (2026-27)
Journey Inside the Atom
Valency, Isotopes & Isobars
3.
Valency identification
Question:
3
m.
Answer the following question:
An atom has
\(8\)
protons and
\(8\)
neutrons. Determine its valency?
i.
Atomic number =
\(10\)
\(14\)
\(16\)
\(8\)
ii.
Electronic configuration =
(\(2, 4, 2\))
(\(2, 8\))
(\(2, 6\))
(\(2, 3\))
iii.
Valency =
\(2\)
\(3\)
\(4\)
\(1\)
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