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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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Mr. rose asked his student to draw a quadrilateral with four unequal sides. an example of this kind of quadrilateral
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(b) When water reacts with potassium metal the hydrogen produced ignites explosively
on the surface...
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