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Carbon (C) and silicon (Si) are in group 4 of the periodic table. The atomic radius of carbon is 77 pm and sulfur is 103 pm. What is the circumference of each atom?
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List the two type of transporst that the cell in orde to transport molecules acroos the membrane
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Which other elements contain the same number of outer electrons as sodium
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An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have
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I’m an electrically neutral atomic any element, there are equal numbers of
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Carbon (C) and silicon (Si) are in group 4 of the periodic table. The atomic radius of
carbon is 77...
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