Think of substances that you see around you. At an atomic level, what might they look like and how do they change when they undergo chemical reactions?

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo

Aroller coaster car is traveling down a track at 22 m/s. the car has a mass of 2000 kg. what is the kinetic energy of the car? a) 22,000 j b) 968,000 j c) 484,000 j d) 44,000 j

Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?