Complete each statement with the word that makes it true. The noble gases are the least__ of any elements on the periodic table. The__ form acidic compounds with hydrogen.
The halogens are the most reactive among all the__.

What energy conversion occurs when a sling shot is used to shoot a rock across the room? (2 points) question 2 options: 1) stored mechanical energy is converted to mechanical energy. 2) stored mechanical energy is converted to radiant energy. 3) gravitational energy is converted to radiant energy. 4) gravitational energy is converted to mechanical energy.