Aufbau principle - Study guides, Class notes & Summaries

Things to Memorize for IB Chem HL 100% Correct Percentage Yeild actual yield/theoretical yield x 100 Avogadro's Law for gases One mole of any gas occupies 22.7 L at STP Ideal Gas Law PV=nRT (n is equal to the number of moles of the substance and R is the gas constant 0.082 or 8.314) Molarity equation moles of solute/liters of solution Dilution M1V1=M2V2 Hydrogen Emission Spectrum Color lines indicate the wavelengths of light that are released Balmer series A set of spec...

Honors Chemistry Final Exam Review with Certified Solutions What is the term for the energy required to break a bond in one mole of a gaseous molecule? Bond Dissociation Energy What is the name of the rule that describes the filling of orbitals in an atom, stating that electrons occupy degenerate orbitals singly before pairing? Hund’s Rule What is the term for the temperature at which the vapor pressure of a liquid equals the external pressure? Boiling Point What is the ...

Electromagnetic spectrum - Raging (longest wave length) Martins Invaded (ROYGBIV) Using X-ray Guns (shortest wave length) Aufbau - lowest energy fills first Heisenberg uncertainty principle - Pauli exclusion - no two electrons can have the same 4 numbe

Honors Chemistry Study Guide Questions with Verified Solutions What is the term for a positively charged ion? Cation What is the atomic number of an element determined by? The number of protons in the nucleus What is the law that states that mass is neither created nor destroyed in a chemical reaction? Law of Conservation of Mass What is the name of the substance that speeds up a chemical reaction without being consumed? Catalyst What is the formula for calculating the nu...

Honors Chemistry Test Questions with Answers What did Bohr's model do that Rutherford's model did not? - Answer-it focused on the location and energy of electrons What is the maximum number of orbitals in the p sublevel? - Answer-3 In the electron cloud model, the electron cloud is denser in some locations than in others. What do the denser areas represent? - Answer-regions where the probability of finding an electron is high What is the maximum number of electrons in the second pri...

DAT Chemistry Final Exam Prep Questions Correctly Answered. Electromagnetic spectrum - CORRECT ANSWER Raging (longest wave length) Martins Invaded (ROYGBIV) Using X-ray Guns (shortest wave length) Aufbau - CORRECT ANSWER lowest energy fills first Heisenberg uncertainty principle - CORRECT ANSWER Pauli exclusion - CORRECT ANSWER no two electrons can have the same 4 numbers Hunds rule - CORRECT ANSWER dont pair up electrons until you have too n - CORRECT ANSWER princip...

CHEM 120 Final Exam | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass B - Answer -How many bonds can nitrogen have? Which rule or principle should be used? A) Five bonds; octet rule. B) Three bonds; octet rule. C) Three bonds; the Hund's rule. D) Five bonds; the Aufbau Principle. C - Answer -When two hydrogen atoms meet, they will attract to each other and form a bond (and a H2 molecule). Why? A) Because electrons like to stay together. B) Because electrons li...

Honors Chemistry Midterm Review Questions and Answers 100% Pass What is the term for the process of a substance gaining electrons during a chemical reaction? Reduction What is the name of the law that states that the pressure of a given mass of gas is directly proportional to its absolute temperature at constant volume? Gay-Lussac's Law What is the term for a chemical reaction in which energy is absorbed from the surroundings? Endothermic Reaction What is the name of the par...

___________ and _________ are inversely proportional; _________ and _______ are directly proportional - frequency and wavelength ; frequency and energy 1st Law of Thermodynamics - delta-U = q + W heat transferred + work done by system on surroundings - W is positive if work is done on the system (by surrounding) - W is negative if work is done by the system A system doing work pushes back on surroundings, it ___________. When surroundings do work, pushes back on system, it _________ . - e...

Which orbital is the electron in? - Answer-l (L) value which orientation is the electron in? - Answer-m sub L value n value - Answer-use periodic table (period #) L value - Answer-what orbital its in (s, p, d, f) m sub L value - Answer-what orientation of the orbital is it in?---every electron in the atom has unique values for n, l, ml Electron configurations show... - Answer-which orbitals are in an atom and how the electrons fill the orbitals Electron configurations focus on... - Answe...