As an object falls down the earth, its gravitational potential energy will a. decrease
b. increase
c. remain same

Which of the following might a chemist choose to study? a. glacier movement in alaska b. better ways to recycle plastics c. the effects of hurricanes on turtle populations d. the vibrations in bridges caused by big trucks

Explain which group an element with the electron configuration 1s2 2s2 2p6 3s2 3p6 3d1 4s2 belongs to.

Word equation for k+ h2o yield koh + h2