Chemistry
Who discovered calcium and barium?
More Questions from Chemistry
The red color of rubies is caused mainly by the presence of what element?
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What halogen is the most reactive and combines with most elements from around the periodic table?
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What energy is stored in the form of chemical compounds?
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Because they are so reactive with air and water, what group of elements are generally stored in oil?
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Which of these can take on either a positive or negative charge, typically being a protein?
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What metal is known for the chemical compounds it forms, such as emeralds and aquamarines?
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What is used to remove oxygen from cathode ray tubes and vacuum tubes?
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