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Chemical
Compositions of Planets
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Jovian planets are mostly
Hydrogen and Helium (gasses)
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Terrestrial planets are mostly
heavy elements like:
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Iron (Fe)
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Silicon (Si)
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Magnesium (Mg)
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Sulfur (S)
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Nickel (Ni)
Textbook
Figure in Box 5-4: Periodic table
Textbook
Figures 7-7 and 7-8: Jupiter and Mars
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