How does the number of bonded atoms around a central atom determine its shape

8 m/s because for him to get the same amount of energy as ray is putting out, bobby, who weighs half as much as ray, needs to run twice as fast.

its first and third is your answer i did the qustion the fourth isnt right

frequency, z, and the collision density, z, in carbon dioxide (co2), r 180 pm at 30 °c and 120 kpa