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Category: Chemistry
You have a sample of a white crystalline substance from your kitchen. You know that it is either salt or sugar. Although you could decide by taste, suggest another property that you could use to decide. ( Hint: You may use the World Wide Web or a handbook of chemistry in the library to find some information.)
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Category: Chemistry
Categorize each of the following as an element, a compound, or a mixture. (a) air (b) fluorite (c) brass (d) 18-carat gold
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Category: Chemistry
Categorize each of the following as an element, a compound, or a mixture. (a) sterling silver (b) carbonated mineral watertungsten (c) tungsten (d) aspirin
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Category: Chemistry
The following photo shows copper balls, immersed in water, floating on top of mercury. What are the liquids and solids in this photo? Which substance is most dense? Which is least dense?
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Category: Chemistry
In Figure 1.5 you see macroscopic and particulate views of the element bromine. Which are the macroscopic views and which are the particulate views? Describe how the particulate views explain properties of this element related to the state of matter.
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