A. and D. would be the best pick for this sort of experiment, but maybe (unlikely) B. because you could see how they could react in certain situations, how they react to danger but I suggest A.
Hope this helps you ☁︎☀︎☁︎
Positive ion with a radius smaller than the radius of the atom
Ba stays as Ba+2 and Cl stays as Cl-
Answer:
She is making kinetic energy when she lifts the ball and when the ball is above her head the ball gains potential energy.
A physical property is a quality or condition of a substance that can be observed or measured without changing the substance's composition. a chemical property is the ability of a substance to undergo a specific chemical change.
