An unknown substance was left in a chemistry lab and your teacher has tasked you and your lab group to help in identifying the substance. The substance was tested by placing a piece of aluminum metal in each substance. Identify the best experiment below that would help in identifying the substance.

b.final

the answer is 1 i believe

i just calculated it all out, and not including weekends, and all the different days off. as of this school year (2018-2019) students are spending 2198 hours in school this year

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.