3. sharon woke up on a sunny morning and ate breakfast. then she looked outside and saw tall, quickly-forming clouds. the clouds looked ready to rain. when she turned on the tv, she saw just what she thought—a forecast for sudden rains. what most likely caused the change in weather?

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.

it's all four options.