Chemistry · Periodic Classification of Elements
According to the Modern Periodic Table, an element A is present in Group 1, Period 3 and element B is present in Group 17, Period 3. Element A reacts with element B to form compound C. What is the chemical formula of compound C?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1AB 3
- 2A 2 B 3
- 3AB✓
- 4A 2 B
Correct answer
AB
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