7. Circle your answer to the following: a. Which is more reactive: Na or K
b. Which is more reactive: Cl or F
c. Which is more reactive: Ar or Li
d. Which has the larger atomic radius: O or S
e. Which has the larger atomic radius: Mg or B
f. Which would gain 1 electron: Ca or Cl

In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding.i