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123-456-7890
THE AMAZING ELEMENT ENCYCLOPEDIA
WHAT DO YOU MEAN YOU DON'T EAT LEAVES?
WHERE DO YOU GET YOUR CALCIUM?
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Symbol: Ca
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Atomic Number: 20
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Atomic Mass: 40.078
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Electronegativity: 1.36
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Valence electrons: 2
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Melting point: 839 degrees Celcius
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Discoverer: Humphry Davy
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Group: 2
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Best react with: acids
Calcium

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