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Acalcium atom has 20 electrons. an oxygen atom has 8 electrons. using the electronic structures of calcium and oxygen explain why calcium oxide has the formula cao
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What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?
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How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned
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Chemistry, 22.06.2019 18:30
When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?
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Chemistry, 22.06.2019 20:30
Which states of matter have particles that move independently of one another with very little attraction?
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Acalcium atom has 20 electrons. an oxygen atom has 8 electrons. using the electronic structures of c...
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