Chemistry · Valency and Periodic Table
Consider the following four elements with their atomic numbers given in parentheses: A(9), B(11), C(12), D(13) Which of the elements have the same valency?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1A and D
- 2C and D
- 3B and C
- 4A and B✓
Correct answer
A and B
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