Which of the following is not a pure metal?
a. copper
b. silver
c. nickel
d...
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What are the chemical names of these compounds? ke: mg3n2: reset next
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What best discribes the relationship between wavelength and frequency in a electromagnetic wave
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All of the following are homogeneous mixtures except a) sugar dissolved in water. b) orange juice. c) coffee with cream. d) household vinegar. e) apple juice
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