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# Modern Quantum Theory

### Weigh Out, Precipitate, and Electron Problems

40) A student wishes to repair 2.00 liters of 0.100 M KlO3 (molecular mass 214). The proper procedure is to weigh out: a) 42.8 grams of KIO3 and add 2.00 kilograms of H2O a) 42.8 grams of KIO3 and add H2O until the final homogeneous solution has the volume of 2.00 liters b) 21.4 grams of KIO3 and add H2O until the final homog

### Evaluating Statements on Quantum Mechanics

Which of the following are true statements? a) The orbital energy of any atomic species depends on factors other than the principle quantum number n. b) Any given energy level in H is more stable than the same level in H+. c) The ionization energy of Li+ is about equal to the ionization level of He. d) The ioniza

### Orbitals and Quantum number

What is the total number of p electrons in a single (ground state) P atom? Electron configuration of P is [Ne]3s2 3p3

### Calculating Wavelength of Light that is Absorbed in a Electron Level Transition

Calculate the wavelength of the light that is absorbed for the electron's transition from n = 5 to n = 6 in Be3+ ion. (ans in nm.) c:3.00E8 m/s h:6.63E-34 Js R:2.18E-18 J I am not sure is Be Z = 4 or Z = 3. Could you show me the steps of how you solve this problem please? Thank you.

### Bohr's Model Type of Equation

One of the hydrogen emission lines has a wavelength of 486.0 nm. Identify the values for n-initial and n-final for the transition giving rise to this line. (Enter as two integers, separated by a comma: e.g. 2,1 or 3,2 etc.) c:3.00E8 m/s h:6.63E-34Js R:2.18E-18J Please could you explain how you got the nfinal and the n

### Calculate wavelength of light that is absorbed in a transition from n=5 to n=6 in Be3+?

How do you calculate the wavelength of the light that is absorbed for the electron's transition from n=5 to n=6 in Be3+ ion?

### True and false questions about spin complexes and crystal field splitting energies.

Which of the statements below is false? a. In high spin complexes, the crystal field splitting energy is small. b. In low spin complexes, electrons are concentrated in the lower energy orbitals. c. Low spin complexes contain the minimum number of unpaired orbitals. d. Transition metal complexes are often colored,