The energy of any one-electron species in its nth state
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Chapter 6 Solutions
Chemistry: Principles and Reactions
- What is the electron configuration of the Ba3+ ion? Suggest a reason why this ion is not normally found in nature.arrow_forwardPalladium, with an electron configuration of [Kr] 4d10, is an exception to the aufbau principle. Write the electron configuration of the 2+ cation of palladium. Does the fact that palladium is an exception influence the electron configuration of Pd2+?arrow_forwardGive the ground-state electron configurations of the following elements: (a) P (b) Tc (c) Hoarrow_forward
- Which of the four atoms Na, P, Cl, or K (a) has the largest atomic radius? (b) has the highest ionization energy? (c) is the most electronegative?arrow_forwardIn the hydrogen atom, the electron is in its lowest energy state, n=1. The maximum electron energy that a hydrogen atom can have is 0 kJ/mole, at which point the electron would essentially be removed from the atom and it would become a H+ ion. How much energy does it take to ionize one hydrogen atom in kilojoules per mole and in Joules per atom? (Hint: calculate ΔE where εfinal is zero and εinitial is –1312.04 kJ/mol.)arrow_forwardthe electron affinity of the lutetium atomwas measured using photoelectron spectroscopy. In this experiment, a beam of lutetium negative ions, Lu was prepared and irradiated with a laser beam having a wavelength of 1064nm. If the emitted electron in this experiment has a kinetic energy of 0.825 eV (1 eV = 1.602 x 10^-22kJ ), What is the electronaffinity of lutetium?arrow_forward
- Use Coulomb’s law to calculate the ionization energy in kJ>mol of an atom composed of a proton and an electron separated by 100.00 pm. What wavelength of light would have sufficient energy to ionize the atom?arrow_forwardWhat is meant by the term nuclear charge? How does the effective nuclear charge experienced by the valence electrons of an atom vary going from left to right across a period of the periodic table? 3. If each core electron was totally effective in shielding the valence electrons from the full charge of the nucleus and the valence electrons provided no shielding effect for each other, what would be the effective nuclear charge acting on a valence electron in (a.) K (B.) Br 4. what is the general relationship between the size of an atom and its first ionization energy? 5. which element in the periodic table has the largest ionization energy? Which has the smallest?arrow_forwardThe ionization energy of an alkali metal is reflected in its reaction with water, where a bigger explosion indicates an easier reaction. In general, if X is an alkali metal, the reaction with water is: X (s) + H2O (l) = XOH (aq) + H2 (g). How does the reaction relate to the ionization of X? Write the reaction for X in the boxes below. This reaction does not need to be balanced. Any other species and the state of the reactants and products can be ignored. Include the formal charge in the superscript box. If there is no formal charge, write "0".arrow_forward
- Using the following data, draw the Born Haber cycle for the formation of hypothetical compound of MX(s) from its elements. Using the Born Haber cycle, calculate the electron affinity of X. M (s) → M (g) ∆Hº = 77 kJ mol-1M (g) → M+ (g) + e- ∆Hº = 433 kJ mol-1X2 (g) → 2X (g) ∆Hº = 129 kJ mol-1M (s) + ½ X2(g) → MX(s) ∆Hº = -530 kJ mol-1M+ (g) + X-(g) → MX (s) ∆Hº = -760 kJ mol-1arrow_forwardWrite electron configurations for the following ions of main group elements: (a) N3−, (b) Ba2+, and (c) Be2+.arrow_forwardGive the symbol of the element that has the least metallic character in Group 8A (18). Give the symbol of the element that has the lowest ionization energy in Group 7A (17). Give the symbol of the element that has the highest ionization energy in Group 5A (15). Give the symbol of the element that has the largest atomic size in Period 1.arrow_forward
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