You are in charge of a new year's eve firework show in Washington DC --- what...
You are in charge of a new year's eve firework show in Washington DC --- what are the elements that you would choose to display the red, white and blue?
Homework Answers
Hi,
The elements used in the fireworks are generally metals salts.
The burning or combustion of metal salts causes electrons in the metal atoms to be excited to higher energy
Different metals will have a different energy gap between their ground and excited states, leading to the emission of different colours.
We get the following colors by :-
Red - lithium salts Eg- lithium carbonate,
Li2CO3 will give red color
strontium salts, Eg-strontium carbonate, SrCO3 will give bright red
color
Blue -Copper salts Eg- copper (I) chloride, CuCl will give turquoise blue colour.
White - Metals like such as aluminum,
magnesium
barium oxide, BaO
Thank you
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