The diagram above shows three models of carbon. Which statement is true about these models? (DOK 2)
A. Carbon-13 and Carbon-14 are isotopes, but Carbon-12 is not an isotope.
B. All three models are isotopes, but the Carbon-12 model is a cation.
C. The Carbon-12 model is an anion, but Carbon-13 and Carbon-14 models are neutral.
D. All three models show neutral atoms that are all isotopes of carbon.

answer: the correct answer id option(d).

explanation:

snell's law refraction:

the angle of refraction =

the angle of incidence =

refractive index of air = = 1

refractive index of glycerol = 1.47

from the given options, the most closest answer to 63.72° is 65° of option (d).

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