Chlorine forms the chloride ion to bond with many metals. to become a chloride ion with a -1 charge, a chlorine atom must

a) gain one proton.

b) lose one proton.

c) gain one electron.

d) lose one electron.

Suppose a wheel with a tire mounted on it is rotating at the constant rate of 2.15 times a second. a tack is stuck in the tire at a distance of 0.373 m from the rotation axis. noting that for every rotation the tack travels one circumference (a) find the tack's tangential speed. (b) what is the tacks radial acceleration?