In the following molecules determine which has bonds that are the most polar, then arrange in increasing bond polarity. bf3, pf3, brf3, sf4, & sf6

What is the mass of oxygen gas is consumed in a reaction that produces 4.60mol so2

When an experimenter draws a conclusion that he assumes will apply to all situations set up similarly to his test situation, even though he cannot possibly have examined all possible test scenarios, the experimenter is using deductive reasoning inductive reasoning abductive reasoning subjective reasoning

What the blanks in these lines are ?