Which of these pairs of elements have the same number of valence electrons?
a) oxygen (o) and...
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This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.
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Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?
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What is the mass of naoh that would have to be added to 500 ml of a solution of 0.20 m acetic acid in order to achieve a ph of 5.0?
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Which process results in the release of energy stored in the products of photosynthesis? a. polymer synthesis b. depolymerization c. digestion d. cellular respiration
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