Match the vocabulary word with its definition. match the items in the left column to the items in the right column.

1. a charged atom or particle
valence electrons
2. the energy necessary to overcome the attractions of electrons to the nucleus of an atom so as to remove electrons from the atom in the gas phase
ion
3. electrons from one atom that enter into reactions with electrons from a second atom
ionization energy

To find the work done, the force exerted and distance moved are multiplied. a couch is moved twice before you are happy with its placement. the same force was used to move the couch both times. if more work is done the first time it is moved, what do you know about the distance it was moved? a) when more work was done, the couch was moved the same distance. b) when more work was done, the couch was moved less. c) when more work was done, the couch was moved further. d) when more work was done, the couch wasn't moved at all.