The force of attraction that holds two atoms together is called a "chemical bond". true or false? if false, what is the right answer? in the "periodic table", dots around an element's symbol indicate the number of valence electrons in an atom. true or false? if false, what is the right answer?
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The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder
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Acrystal that absorvd water from air is (blank)a. aqueousb. homogenousc. hygroscopicd. efflorescent
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How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?
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The force of attraction that holds two atoms together is called a "chemical bond". true or false? i...
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