What attractive force draws in surrounding electrons for chemical bonds? A. lonization energy
B. Attraction of opposites
C. Chemical bonding
D. Electronegativity

The midpoints? a, b, and c are marked on the histogram. match them to the indicated scores. which? scores, if? any, would be considered? unusual?

Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.

Acompound machine is also called a machine. a. force b. simple c. complex d. directional