GIVING BRAINLIST!GIVING BRAINLIST AND 100 POINTS PLEASEE HELP MEE ASAP)

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

If 34.2 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 299 kelvin and 1.21 atmospheres? 2 li (s) + 2 h2o (l) yields 2 lioh (aq) + h2 (g)

When a nucleus absorbs a neutron and then breaks apart, there are many products of the reaction. what is not a product of a nuclear fission reaction