Chemistry
Medium
Question
Alkali and alkaline earth metals impart colours when heated over burner. It is due to______________?
A
Smaller electronegativity of alkali metals
B
Smaller ionic radius of these metals
C
De-excitation of electrons from higher energy levels to low energy level
✓ Official correct answer
D
Excitation of electrons from low energy levels to higher energy levels
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A
Smaller electronegativity of alkali metals
No member explanations yet for this option.
B
Smaller ionic radius of these metals
No member explanations yet for this option.
C
De-excitation of electrons from higher energy levels to low energy level
No member explanations yet for this option.
D
Excitation of electrons from low energy levels to higher energy levels
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