Who developed the orbital model of the atom?
O J. J. Thomson
O Dmitri Mendeleev
O Erne...
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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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Identify the lewis base in this balanced equation: fe3+ h2o fe(h2o)63+
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