Please answer 7-13 for me please I really need help!! And please don’t send links I tried and they don’t work. But yes! Thank you!

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration?

You have 125g of a certain seasoning and are told that it contains 76.0 g of salt what is the percentage of salt by mass in this seasoning

What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.