Quantum number Study guides, Class notes & Summaries

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CEM 141 MSU Exam 2 Questions and Answers Already Passed Lights acts as what? Particle and wave. Wavelength The distance (m) of waves from peak to peak. Short: x-ray (red), long: infrared (blue) Short - higher energy Long - lower energy Frequency (V) The number of wavefronts per second. Highest: x-ray Velocity of Light C = 3.00 X 10^8 = wavelength X frequency Amplitude The intensity, height of peaks of waves. Highest: blue light Energy of Wave (J) Increases as frequency i...

Rutherford's Gold Foil Experiment - proposed that atoms consist of a tiny, massive, positive nucleus surrounded by electrons nucleus - contains all the positive charge and nearly all the mass of the atom James Chadwick - discovered the neutron cathode rays - move from negative electrode to positive electrode (like electrons in a voltaic cell) Thompson's Cathode Ray Experiment - discovery of the electron (also the discovery that atoms are divisible into smaller particles) Milliki...

Chem 219: Exam Questions With 100% Correct Answers The speed of a wave (c) is the product of its frequency (ν) and wavelength (λ). E = hv = h x c / λ nm to m or m to nm 1 m / 10^9 nm or 10^9 nm / 1 m What is the maximum number of electrons that can have the quantum numbers n = 3, ℓ = 2, mℓ = -2? The Pauli exclusion principle states that no two electrons in a given atom can share the same set of four quantum numbers (n, ℓ, mℓ, ms). This set of quantum numbers contains thr...

Electronegativity trend (p. 21) - correct answer Moving from left to right across a period, electronegativity INCREASES. Moving down a group from top to bottom, electronegativity DECREASES. Principal Quantum Number: "n" (p. 19) - correct answer Represents the shell an electron occupies, denotes the energy level or size of an orbital. Is the coefficient number in an electron configuration e.g. for 3p^2, n=3 Angular Momentum Quantum Number: "l" (p. 19) - correct answer Represents the sub...

CHEMISTRY A LEVEL WITH SATISFIED SOLUTIONS What are the two elements which are exceptions to the electron configuration? - CORRECT-The two exceptions for this is copper and chromium. In both cases, the 4s subshell contains only one electron, even though there are electrons in the 3d subshell. To explain this, its because the 3d subshell is more stable when it is either half full, or completely full. So in the case of chromium, by having only one electron in the 4s subshell, ...

What are characteristics of RISC-V? - Answer-provides an Open Instruction Set Architecture (ISA) Does not need a commercial license to use it software is also Open Source. Designed for low-power computation (embedded market) In "MPI+X", "X" refers to another or additional programming interface working in cooperation with MPI such as? - Answer-A. OpenMP, FGPAs, OpenCL, OpenACC, ... Before components in a compute board used to be soldered to the PCB boards and hard- wired betwe...

Isotopes CORRECT ANSWER when the number of neutrons varies but it has the same number of protons ex) Ne-20 and Ne-22` What was believed until the beginning of the 20th century? CORRECT ANSWER That all physical phenomena were deterministic Light CORRECT ANSWER Form of electromagnetic radiation What is electromagnetic radiation composed of? CORRECT ANSWER perpendicular oscillating waves, one for the magnetic field and one for the electric field Quantum number n CORRECT ANSWER size, n&g...

DAT General Chemistry Exam |170|questions with complete solution Atomic Number ANS-number of protons found in that atom; low number; (Z) Mass Number ANS-Protons + Neutrons; high number; (A) Atomic Mass ANS-relative mass of that atom compared to the mass of a carbon-12 atom (which is set at 12.00); measured in amu; 1 amu = ANS-1.66x10^-24 Atomic Weight ANS-weight (g) of one mole (mol) of a given element (g/mol); the weighted average of all the masses (not the weights) of an element, ...

Cation vs Anion - ANSWERCation- positive charge Anion- negative charge Electromagnetic Spectrum - ANSWER(Short λ) Gamma, Xray, Ultra Violet, Visible, Infrared, Micro, Radio (Long λ) Frequency vs Wavelength - ANSWERLong Wavelength (λ)→Low Frequency (v) Short Wavelength (λ)→High Frequency (v) Principle Quantum Number - ANSWER(n) - size of orbital 1,2,3,4... Angular Moment Quantum Number - ANSWER(l) - Shape of orbital 0,1,2,3...n-1 Magnetic Quantum Number - ANSWERM₁...