In the diagram, which letter represents the activation energy? A B C D

Match the following items. 1. high-intensity bundle of energy being emitted from some decaying nuclei gamma ray 2. particle radiating from the nucleus of some atoms beta particle 3. negative particle identical to an electron but radiating from a decaying nucleus alpha particle

Quiz1. which physical state of nitrogen has the highest entropy? a solid© b gasoc liquid

Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.