Which substance below will exhibit hydrogen bonding between the molecules of the substance?
a. ch₄
b. hbr
c. hcl
d. h₂o
e. h₂

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?

Why is the structure of molecule important to its function?