Why Be and Mg do not impart colour to the flame ?

Why Be and Mg do not impart colour to the flame ? 
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1 Answer

Answer :

The electrons in beryllium and magnesium are too strongly bound to get excited by flame. Hence, these elements do not impart any colour to the flame. 
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Related questions

Why Be and Mg do not impart colour to the flame ?

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How many of following metals impart a characteristic colour to the Bunsen flame ? `(i) Na " " (ii) Li " " (iii) K " " (iv) Ba` `(v) Sr " " (vi) Mg " "

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Last Answer : Ans. Alkali metals have low ionization enththalpies. Their valence electrons get excited by absorbing energy from the flame. When these electrons return to the ground state, the energy is emitted In the form of light.

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Antioxidants are added in petrol to (A) Impart colour to it, for easy identification (B) Minimise the gum formation (C) Prevent icing of the carburettor (D) Prevent the lead build up in engines

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Colour imparted to the Bunsen flame by strontium salt is - (1) bluish green (2) apple-green (3) brick red (4) crimson red

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What is the colour imparted to the flame by Ca,Sr and Ba?

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