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| 1. |
Why magnessium does not impartcolour to the flame while calcium does |
| Answer» Magnesium do not impart colour to the Bunsen flame because their atoms are comparatively smaller and the valance electrons are strongly attached to the nucleus. Therefore their ionisation energies are high, so they need large amount of energy for the excitation of their valence electrons to higher energy level which is usually not available in the Bunsen flame. So they do not impart any colour to the flame. | |