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When the earth was formed and cooled, why did nickel and iron end up in the center of the earth while basalt and granite ended up in the outer layers
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What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state. a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car
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Exit what is the density of an object having a mass of 5.0 g and a volume of 45.0 cm3?
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How does the octet rule allow you to predict the charge an ion will have?...
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