THIS IS BASICALLY FREE PTS I JS NEEDA ANSWER When using the scientific method to solve a problem, two of the most important steps are:

interpreting data and drawing conclusions

stating the problem and making a hypothesis

devising an investigation and looking for cause and effect relationships

deciding what the outcome should be and recording it

answer:

technetium is the most reactive. this is followed by silver. the least reactive out of these three elements is strontium.

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.