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What is the mass number of an atom with five protons and seven neutrons
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Newtons view of arrangement of the universe. don't copy from anywhere.
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Determine the moment of the force f about an axis extending between a and c. express the result as a cartesian vector. a is at the origin, c is at (4,3,0) and f = (4i + 12j -3k) lb coming out of b (4,3,-2).
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Examine the drawing of a molecule. each ring represents an atom of nitrogen (n). what’s the chemical formula of this substance?
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What is the mass number of an atom with five protons and seven neutrons...
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