When this element was discovered, it exhibited luster and malleability, and it reacted very vigorously with water. this element is never found as a free element in nature and always exists in a compound. to which group does this element most likely belong?

Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy

What happens to the temperature of a substance when the average kinetic energy of its particles increases?

What is the temperature in kelvin of a gas if it is allowed to expand from 1.50 l to 4.50 l? the initial temperature is 10.0°c and pressure is constant throughout the change. which equation should you use? t2= v2/v1 t1 what is the final temperature? ⇒ 849 k these are the answers.