Download - Why is Water Greenish Blue?
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Why is Water Greenish Blue?
In other words, Cyan…
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Why is Water Greenish Blue?
SmartBoard Exercise
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The Atomic Color Code
• Fireworks generate a noticeable amount of heat and light
• The colors produced are from heating metal salts like calcium chloride or sodium nitrate
• Atoms of each element absorb energy and release a specific color of light
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The atom’s outer electrons absorb energy and step up to an excited higher energy level
This only lasts a brief time.The electron sheds that excess
energy in the form of light and moves back to it’s lower energy level
How Do the Atoms Emit Light?
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High Energy Excited State
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Do Atoms Have Specific Colors?
Color Compound
Wavelength
Red Li2CO3 652ORANG
ECaCl2 668
YELLOW
NaCl 610-621
Green BaCl2 589Blue CuCl 505-535
Violet Strontium + Copper 420-460
Silver Al, Ti or Mg
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Atomic Fireworks
Li and Cu
Ca and Na Ba
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