Question 7. Atoms appear spherical since their orbitals rotate constantly,giving a time-average sphere. Question9 The correct numbers include ms=-1/2. Question 10. The more stable configuration involves two half-filled orbitals,i.e.5s1 4d5. Part3 1.For an isotope of argon(Z=18),the mass number is 40.The number of neutrons in this isotope is: A.18 B.40 C.22 D.the same as in any other isotope of argor 2.Allotropes of sulfur include: A.3S andS B.Ss and So C.Ss and [Ss D.Sin different oxidation states 3.Energy is inversely proportional to A.wavelength B.frequency C.wavenumber D.Planck's constant 4.How many radial nodes does a 3p atomic orbital possess? A.0Question 7. Atoms appear spherical since their orbitals rotate constantly, giving a time-average sphere. Question 9. The correct numbers include ms = -1/2. Question 10. The more stable configuration involves two half-filled orbitals, i.e. 5s1 4d5. Part 3 1. For an isotope of argon (Z = 18), the mass number is 40. The number of neutrons in this isotope is: A. 18 B. 40 C. 22 D. the same as in any other isotope of argon 2. Allotropes of sulfur include: A. 32S and 34S B. S8 and S6 C. S8 and [S8] 2+ D. S in different oxidation states 3. Energy is inversely proportional to: A .wavelength B. frequency C. wavenumber D. Planck's constant 4. How many radial nodes does a 3p atomic orbital possess? A. 0