How would the dx2−y2 orbital in the n=5 shell compare to the dx2−y2 orbital in the n=3 subshell? a. The contour of the orbital would extend further out along the x and y axes.
b. The value of ℓ would increase by 2.
c. The radial probability function would include two more nodes.
d. The orientation of the orbital would be rotated 45∘ along the xy plane.
e. The mℓ value would be the same.

they begin to vibrate harder causing the material that was solid to turn into a liquid i.e gallium or ice

the mass of the cathode increases because ions from the solution get reduced to atoms and become part of the cathode.

explanation:

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answer: c. the experiment shows that the red substance experienced a chemical change.

explanation: chemical change is the change in which chemical composition of the substance changes. physical change is the change in which there is no change in chemical composition.

chemical changes are accompanied by following changes:

a) precipitate formation

b) energy is released or absorbed

c) formation of bubbles

d) change in color

as it is given that the red color has disappeared and there is production of gas, it means the red substance has undergone a chemical change.

e