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An ion with six protons, seven neutrons, and a charge of 2 has an atomic number of
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Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium
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Which of the following notations would be the appropriate and final way to display the formula for magnesium chloride a. mgcl2 b. mg+2cl–1 c. mgcl2 d. mgcl
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The half-life of a certain element is 100 days. how many half-lives will it be before only one eighth of this elementremains?
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An engineer wishes to design a container that will hold 12.0 mol of ethane at a pressure no greater than 5.00x10*2 kpa and a temperature of 52.0 degrees celsius. what is the minimum volume the container can have?
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An ion with six protons, seven neutrons, and a charge of 2 has an atomic number of...
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