Identify arrows pointing to bonding electrons. done h-0-0-h ) intro

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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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how do models compare to real-world objects?

d. most models represent a real-world object in a simpler way.

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it would be b. 6co2 + 6h2o --> c6h12o6 + 6o2