What is the total number of electrons present in an atom of Co?
39 protons
27’nuetrons

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.

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

How many moles of al3+ ions are in 1.25 moles of al2o3