(a)
Interpretation:
The
Concept Introduction:
The convention followed to remove or add electrons is electrons of largest principal quantum number are lost first. In case of subshells of the same
(b)
Interpretation:
The
Concept Introduction:
Refer to part (a).
(c)
Interpretation:
The
Concept Introduction:
Refer to part (a).
(d)
Interpretation:
The
Concept Introduction:
Refer to part (a).
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CHEMICAL PRINCIPLES (LL) W/ACCESS
- Use the noble-gas notation and write the ground-state electronic configurations of the following ions:(a) Ca2+ (b) Ga3+ (c) Cr3+arrow_forward7. Which element has the smallest first ionization energy? (a) Cs (b) Ga (c) K (d) Bi (e) As 8. Which element has the smallest second ionization energy? (a) Mg (b) Li (c) S (d) O (e) Ca 9. Which of the following sets contain all linear molecules? (a) H2S, HCN, CO2. (b) HCN, O2, CO2 (c) H2O, CO, Cl2. (d) H2S, CO, CO2. (e) BF3, Cl2, O2 10. The molecular geometry of SnCl3-ion is: (a) trigonal planar (b) T-shaped. (c) trigonal pyramidal. (d) Tetrahedral (e) see-saw 11. The geometry of the molecule SPC13 is best described as: (a) square planar (b) trigonal pyramidal (c) trigonal bipyramidal. (d) octahedral (e) tetrahedral 12. The O-S-Cl bond angles in O2SCl2 are expected to be approximately: (a) 90° (b) 109.5° (c) 120° (d)180 ° (e) 90° and 120°arrow_forwardFor each pair, identify the orbital in which an electron possesses more energy. (a) 4s or 5s; (b) 5p or 5darrow_forward
- 2. Explain the following phenomena on the basis of electron configuration. i) Fluorine forms an ion having a charge of -1. Support your answer by providing the electron configuration of both atom and ion. ii) Which is the more likely the configuration for Mn2+: [Ar]4s23d3 or [Ar]3d5. Give reason for your answer.arrow_forwardjust part Darrow_forwardThe gadolinium +3 ion (Gd3+) has advantageous magnetic properties for Magnetic Resonance Imaging (MRI) applications, specifically a high number of unpaired electrons. In fact, both neutral Gd and Gd3+ have a set of degenerate orbitals with seven unpaired electrons. a) Write the electron configuration for Gd and Gd3+ using the condensed noble gas notation. Identify which orbitals lose electrons to yield the +3 cation based on the above information. Explain your reasoning (2-3 sentences). b) Curium (Cm) is an actinide element named for Marie Curie. Cm is in the same group as Gd and also forms a +3 cation. Write the electron configuration for Cm and Cm3+. c) While +3 is the most common oxidation state for lanthanide elements, some can form +2 ions. Identify an isoelectronic ion to Gd3+ that has a +2 oxidation state and indicate which orbitals lose electrons to form that ion.arrow_forward
- Write ground-state electron configurations for the following ions: K+, Mg2+, O2-, I-, Al3+,arrow_forwardConsider these ground-state ionization energies of one-electron species:H=1.31X10³kJ/mol ,He⁺=5.24X10³kJ/mol Li²⁺=1.41X10⁴kJ/mol (a) Write a general expression for the ionization energy of anyone-electron species. (b) Use your expression to calculate theionization energy of B⁴⁺. (c) What is the minimum wavelengthrequired to remove the electron from the n=3 level of He⁺?(d) What is the minimum wavelength required to remove the electron from the n=2 level of Be³⁺?arrow_forwardplease explain this question. I am not very familiar with this concept much so please be simple and understanding with the answer, thanksarrow_forward
- A.) What is meant by the term polarizability? B.) Which of the following atoms would you expect to be most polarizable? O2, S, Se, or Tearrow_forward(a) What are valence electrons? (b) How many valence electrons does a nitrogen possess? (c) An atom has the electron configuration 1s22s22p63s23p2. How many valence electrons does the atom have?arrow_forwardRank the following in increasing order of ionization energy by numbering them in order from 1 through 6, with 1 having the lowest ionization energy and 6 having the highest ionization energy. Se Cr K Br Са Krarrow_forward
- Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage LearningChemistry & Chemical ReactivityChemistryISBN:9781337399074Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage Learning