Size of atom or atomic radii can be estimated by

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#Question id: 60

#Section C (Domain-Specific Knowledge)

Which of the following is true for the reaction?

3H₂ + N₂   2NH₃

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#Question id: 61

#Section C (Domain-Specific Knowledge)

Which of the following correctly describes chemical equilibrium?

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#Question id: 62

#Section C (Domain-Specific Knowledge)

We can represent atoms by listing the number of protons, neutrons, and electrons—for example, 2p+, 2n0, 2e- for helium. Which of the following represents the 18O isotope of oxygen?

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#Question id: 63

#Section C (Domain-Specific Knowledge)

The two molecules shown in the figures are best described as ________.

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#Question id: 64

#Section C (Domain-Specific Knowledge)

Testosterone and estradiol are male and female sex hormones, respectively, in many vertebrates. In what way(s) do these molecules differ from each other? Testosterone and estradiol ________.

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#Question id: 65

#Section C (Domain-Specific Knowledge)

Identify which of the following pair is enantiomers, diastereomers or meso compounds.