Determine the average rate of decomposition of h3po4 between 10.0 and 40.0 s. express your answer with the appropriate units. time [p2o5] (m10 1.90ã—10−340 7.90ã—10−3

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If a hydrogen atom is neutral, it must also have  one electron. an oxygen atom (o) has an atomic number of eight (8). this means a neutral oxygen atom has eight protons and eight electrons. the element actium (ac) has an atomic number of 89, so it has 89 protons and 89 electrons in a neutral atom