AKS 4b. Elements up to which group are likely to form cations? Elements after which group are likely to form anions? (DOK 1)
Group 2, Group 13
Group 14, Group 15
Group 12, Group 13
Group 13. Group 14

Astudent pours 10.0 g of salt into a container of water and observes the amount of time it takes for the salt to dissolve. she then repeats the process using the same amounts of salt and water but this time she slowly stirs the mixture while it is dissolving. the student performs the experiment one more time but this time she stirs the mixture rapidly. the dependent variable in this experiment is: time for salt to dissolve speed of stirring amount of water mass of salt