Which atom is most likely to accept electrons to form an ionic bond?

a. a mercury ion with a negative 2 charge
b. a potassium ion with a negative 1 charge
c. radon, a noble gas with 8 valence electrons
d. sulfur, a nonmetal with 6 valence electrons

A0.17kg ball rolls at 0.75m/s to the right on a frictionless surface and collides with a 0.17kg ball rolling to the left at 0.65m/s. (elastic collision) what is the final velocity of the second ball when the first is 0.5m/s to the left? what is the change in kinetic energy before and after?

Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge

The two required components for a generator