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What evidence do we have that energy levels in an atom are quantized? State and explain the evidence.
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For each of the compounds below, show that the charges on the ions add up to zero. a. kbr b. cao c. li(2)o d. cacl(2) e. alcl(3)
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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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Match each state of matter with the statement that best describes it.
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Explaining why atoms bondcomplete the sentence.atoms form chemical bonds to satisfy the rule and to become .
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What evidence do we have that energy levels in an atom are quantized? State and explain the evidence...
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