Question

Different element emit, different flame colors when heated by the same non-luminous flame. Why
? imagine and write.

Answer 1

When element heated chemical bonds break and new ones form and make new molecules and releasing energy.The light is emitted when an excited electron drops from a higher energy state to a lower energy state.Every element has its own specific energy configuration for the electrons in the atom. so every element has its own specific light spectrum that it emits when electrons change orbitals.

and also, Wavelength (color) is directly related to energy (E=h/wavelength). 

 ex:-

Arsenic(As) - blue

sodium(Na) - bright yellow

zinc(Zn) - blue-green to pale green

lead(Pb) - blue

potassium(K) - light purple to red

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