Chemistry · Classification of Elements and Periodicity in Properties
Those elements impart colour to the flame on heating in it, the atoms of which require low energy for the ionisation (i.e., absorb energy in the visible region of spectrum). The elements of which of the following gro ups will impart colour to the flame?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Group 17
- 2Group 1✓
- 3Group 13
- 4Group 15
Correct answer
Group 1
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