Which statement best explains why radon and krypton do not bond easily with other elements? They have many electron shells, so their protons do not attract electrons strongly. They have eight electrons in their valence shells, so they are stable without gaining or losing electrons. Their valence shells are empty, so they do not need to bond with other elements to be more stable. Their valence shells are so close to the protons in the nucleus that bonding cannot happen like in other elements.

2b2t

explanation:

2b2t

answer : one can design an experiment using a liquid and an additive that can be added to the liquid and observe the chemical changes in the reaction species.

one would need a beaker which is filled with a known amount of the liquid in which thermometer is placed to measure the temperature changes; after addition of the additive to the liquid solution one can note down the temperature change and find whether the reaction is endothermic or exothermic in nature. by subtracting the initial temperature value with the final temperature one can find the temperature changes.

various combinations of liquid and additive can be used. liquid in this case can be a known quantity of water and additives can be epsom salt or without epsom salt the experiment can be conducted to notice the changes. water and ice, hydrogen peroxide and dry yeast, vinegar and baking soda,etc.

football

explanation:

because it is