Explain how the number of electrons in an atoms outer shell helps determine how reactive it is?

Which of the following ocean acidification? are the most likely side effects of a ph less than 7.0 in the ocean b. more metal salts altering the ocean chemistry c. dissolution of the shells of marine organisms d. both a & b e. all of the above.

Nuclear decay is the spontaneous decay of one element into a. an x-ray b. a ray of light c. another element

Write the overall equation for the reaction occurring in lithium battery?