I NEED HELP PLEASE I Will Mark Brainlist 40 points

Ca, Br, Si, H, C, O, Zr

Danny and Nicola are asked to place this series of elements in order from the greatest tendency to form a chemical bond to the least tendency to form a chemical bond. To do this, it would be most helpful to use...
Select one:
a. A model of an atom
b. Samples of each element
c. The melting and boiling points of each element
d. The periodic table