mariahbrooks
mariahbrooks
03-02-2019
Chemistry
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how is light created
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nnjj693187
nnjj693187
03-02-2019
light is created by 7 colour mixed
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bri7389
bri7389
03-02-2019
when electrons orbiting an atom become energized to move into a higher orbit , and then drop down to a lower orbit ,releasing a small amount of energy in the process
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