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Mohan Batra
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Asked: 2025-02-03T10:43:52+00:00 In:

Elements with valency 1 are

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0% (a) always metals.
0%(b) always metalloids.
100%(c) either metals or non-metals. ( 1 voter )
0%(d) always non-metals.
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The correct answer is: (c) either metals or non-metals.
Elements with valency 1 can be: Metals like sodium (Na), potassium (K), and lithium (Li), which lose one electron to form positive ions (cations).
Class 9th Science NCERT MCQ Questions
NCERT Books MCQ Questions Session 2024-2025.

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    1 Answer

    1. (c) Elements with valency 1 are either metals or non-metals. For example, sodium has a valency + 1 and chlorine has a valency – 1.

      https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-4/

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