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What a molecule is, and the difference between molecules and compounds?
A molecule is made up of two or more atoms combined chemically. The atoms can be of the same element, as in oxygen gas (O2), or two or more different elements combined, as in water (H20). By contrast, a compound is made up of two or more different elements combined.
Another way to see the distinction is that molecules represent a larger category in the classification of matter. A molecule can be any combination of two or more atoms. By contrast, a compound must be composed of at least two different elements; therefore, compounds are a subset of molecules.
what does homogenious mean?
DISPOSAL OF MICROBIAL CULTURES: After the study is finished microbial cultures should not be left in the laboratory or taken out of the laboratory alive because availability of th
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This mineral has the name "bloodstone" because it provides a deep red color on a streak test. What is its chemical formula? Fe 2 O 3
how many types of heterotrophic nutrition in plants?..
kind of food and mode of feeding in tick
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Kepler's Laws of Planetary Motion: Further support to the heliocentric model came from the work of Johannes Kepler at around the same time as Galileo's observations. Kepler, a
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