Concept explainers
The second ionization of carbon
Want to see the full answer?
Check out a sample textbook solutionChapter 2 Solutions
Inorganic Chemistry
- The ionization energy of potassium is 4.34 eV and the electron affinity of Br is 3.36 eV. What is the change in energy in the reaction K(g) + Br(g) → K+(g) + Bl-(g)?arrow_forwardV7.arrow_forwardSulphur presents two lines: Ka₁= 5.37216 Å and Ka₂= 5.37496 Å 1. What is the energy difference expressed in eV, between Ka₁ and Kα₂ 2. If it is known that the width at the mid-height of these lines is 5 eV, what conclusion can be drawn 3. If the position of the Ka₂ line increases by 0.002 Å when passing from S6+ to Sº, show that this has no impact upon the location of this photoelectron in energy termsarrow_forward
- Compare the total Coulomb repulsion energy between protons for 4He, 40Ca, and 208Pb. Assume the protons in 4He are, on the average, a distance equal to the nuclear radius apart and use Equation for the Coulomb repulsion of the larger nuclei.arrow_forwardWhat is the value of voin s-¹? VO = VE ΑΣΦ E| ΑΣΦ ? What is the value of the work function of the metal in units of kJ/mol of ejected electrons? ? 8-1 kJ/molarrow_forward5. (a) Use the hydrogen-like model z2 (in eV) En --13.6 to calculate the total energy of the three electrons of lithium (Li), which has the electron configuration: 1s? 2s'. The three ionization energies for Li(g) are: IE, = 5.392 ev; IE2 = 75.64 eV; IE = 122.5 ev. With the help of Koopman's theorem, what is the total energy of ropulsion between lithium's three electrons (in kJ mol')?arrow_forward
- What is the threshold frequency ν0ν0nu_0 of cesium? Note that 1 eV (electron volt)=1.60×10−19 J.arrow_forward2.9 Vibrations in crystals. (a) Calculate the average vibrational energy per mole for Si at 400 K to within the limits of the Einstein theory. Let VẸ = 12 x 1012 s-1, (b) If each atom carried three quanta of vibrational energy, how much vibrational energy would the crystal contain?arrow_forward12 J (er? nu? nu? ng2 ng (2p)] configuration is for 02 A O +o, 2 coarrow_forward
- It is known that the possible values for the magnetic quantum number mι are -5, -4, -3, -2, -1, 0, +1, +2, +3, +4 and +5. What is (a) the orbital quantum number ι and (b) the smallest possible value of the principal quantum number n?arrow_forwardThe electronic structure of one-dimensional chain of sodium (Na) atoms can be approximately described by the particle-in-a-box model. The energy of each state can be calculated using n?h? En 8mlz п 3 1,2, 3, ... where L is the length of the 1D chain. Assuming L = ao(N – 1), where N is the number of Na atoms and ao = 0.360 nm is the internuclear distance. a) Determine the energy gap between the highest occupied energy level and the lowest unoccupied energy level as a function of N. Assume that N is an even number that is large enough b) Thermal energy at room temperature is 4.15 × 10-21 J. Calculate the minimum number of Na atoms required so that the energy gap is smaller than the thermal energy.arrow_forwardCalculate the most probable radius, rmp, at which an electron will be found when it occupies a 1s orbital of a hydrogenic atom of atomic number Z, and tabulate the values for the oneelectron species from H to Ne9+ .arrow_forward
- Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage LearningPrinciples of Modern ChemistryChemistryISBN:9781305079113Author:David W. Oxtoby, H. Pat Gillis, Laurie J. ButlerPublisher:Cengage Learning