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Chemistry, 20.06.2019 18:04
In which of the following belong to a category called the main group of elements? nonmetals. transition elements. halogens. alkali metals. it can be more than one answer!
Answers: 3
Chemistry, 22.06.2019 12:30
Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together
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Chemistry, 22.06.2019 23:40
The kw for water at 0 °c is 0.12× 10–14 m2. calculate the ph of a neutral aqueous solution at 0 °c.
Answers: 2
In the table below, write the density of each object. Then predict whether the object will float or...
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