Rebecca is using the chemical formulas for various substances to classify them as either a compound or an element. how should Rebecca classify Gold (Au)?
A. Gold is a compound composed of a blend of substances
B. Gold is an element composed of a blend of substances
C. Gold is a compound composed of a pure substance
D. Gold is an element composed of a pure substance
Answers: 1
Chemistry, 23.06.2019 00:10
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Now look at the segment of the graph between the two data points marked with black squares. describe how the boiling point and melting point plots behave between these points. be as specific as possible.
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Use the drop-down menus to label each of the following changes p for physical change and c for chemical change. the substance changes to a new substance. the original substance can be recovered. the color changes. gas is produced and given off. the substance changes size, shape, or volume.
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Rebecca is using the chemical formulas for various substances to classify them as either a compound...
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