A science teacher is planning a science lab in which students will identify conditions that do and do not speed up the time required for sugar to dissolve in water. Which of the following conditions will NOT have an effect on the dissolving time?
B. stirring the water
D. magnetizing the sugar
E grinding the sugar
of heating the water

E

Explanation:

the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.

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