Aufbau principle - Study guides, Class notes & Summaries
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BTEC Applied Science Chemistry Latest Exam Well Answered 100% 2024.
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How many electrons can each orbital hold? - Answer Two 
 
How many electrons can be held in each sub shell? - Answer S - 2 
P - 6 
D - 10 
F - 18 
 
Put the sub shells in order do their energy, lowest to highest - Answer S, p, d and f 
 
How do we fill the p and d subshells - Answer singly first and then doubly 
 
What is an orbital? - Answer A region of space around the nucleus where there is a 95% chances of finding an electron 
 
What is the Aufbau principle? - Answer An electron...
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CEM 141 MSU Exam 2 Questions with 100% Correct Answers | Verified
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Lights acts as what? - Answer-Particle and wave. 
Wavelength - Answer-The distance (m) of waves from peak to peak. Short: x-ray (red), long: infrared 
(blue) 
Short - higher energy 
Long - lower energy 
Frequency (V) - Answer-The number of wavefronts per second. Highest: x-ray 
Velocity of Light - Answer-C = 3.00 X 10^8 
= wavelength X frequency 
Amplitude - Answer-The intensity, height of peaks of waves. Highest: blue light 
Energy of Wave (J) - Answer-Increases as frequency increases and as wa...
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IB Chemistry Unit 2 SL Latest Version Rated A+
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IB Chemistry Unit 2 SL Latest Version 
 
Rated A+ 
 
Emission spectrum An emission spectrum is produced when an atom moves from a higher to 
a lower level. 
 
The line emission spectrum of hydrogen provides evidence for __________________ which 
converge at _____________ The line emission spectrum of hydrogen provides evidence for 
the existence of electrons in discrete energy levels which converge at higher energies. 
 
Continuous spectrum All the colours / wavelengths present merge smoothly in...
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Chemistry 103 Exam 3 Questions and Answers 2024
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Which orbital is the electron in? - l (L) value 
 
which orientation is the electron in? - m sub L value 
 
n value - use periodic table (period #) 
 
L value - what orbital its in (s, p, d, f) 
 
m sub L value - what orientation of the orbital is it in?---every electron in the atom has unique values for n, l, ml 
 
Electron configurations show... - which orbitals are in an atom and how the electrons fill the orbitals 
 
Electron configurations focus on... - ground state configuration (lowest en...
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Grade 12 Chemistry: Structures and Properties of Matter
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Grade 12 Chemistry Notes on the Structure and Properties of Matter. Includes topics varying from the current model of the atom, light, the photoelectric electric effect, the atomic line spectra, wave particle duality, heisenberg's uncertainty principle, quantum numbers, electron configuration, hund's rule, pauli exclusion principle, aufbau principle, orbital diagrams, electron configuration, valence bond theory and orbital hybridization, VSEPR, covalent bonding and polarity, periodic table tre...
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INORGANIC CHEMISTRY TEST WITH GUARANTEED ACCURATE ANSWERS |VERIFIED
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Pauli exclusion principle - ACCURATE ANSWERS no two electrons in an atom may possess identical sets of the four quantum numbers 
 
Aufbau principal - ACCURATE ANSWERS states that when the electrons of an atom are all in the ground state, they occupy the orbital's of the lowest energy, thereby minimizing the atoms total electronic energy. 
 
Hunds rule - ACCURATE ANSWERS when filling a set of degenerate orbitals, the number of unpaired electrons will be maximized and these electrons will have pa...
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CHEM 120 Final Exam 5 ( Latest 2023 -2024 ) GRADED A+ (ACTUAL EXAM ) Questions and Answers (Solved)
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CHEM 120 Final Exam 5 GRADED A+ (ACTUAL EXAM ) Questions and Answers (Solved) 
 
1. How many bonds can nitrogen have? Which rule or principle should beused? 
A) Five bonds; octet rule. 
B) Three bonds; octet rule. 
C) Three bonds; the Hund's rule. 
D) Five bonds; the Aufbau Principle. 
Answer: B 
2. When two hydrogen atoms meet, they will attract to each other and form abond 
(and a H2 molecule).Why? 
A) Because electrons like to stay together. 
B) Because electrons like to be paired up. 
C) Bec...
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Straighterline Chemistry Topic 4| Questions Answered 100% Correct/Verified Solutions
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Valence electron 
Electrons on the outermost energy level of an atom. The electrons in the highest 
energy level. 
Aufbau Principle 
the rule that electrons occupy the orbitals of lowest energy first. The principle 
used to add electrons to successive orbitals on an atom. “The orbitals with lower 
energies are filled before those with higher energies”.
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TEST BANK FOR ORGANIC CHEMISTRY WITH BIOLOGICAL TOPICS 6th EDITION ISBN : 9781260325294 ALL CHAPTERS INCLUDED.
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TEST BANK FOR ORGANIC 
CHEMISTRY WITH 
BIOLOGICAL TOPICS 6th 
EDITION 
ISBN : 9781260325294 ALL 
CHAPTERS INCLUDED. 
Chapter 1 
1 
MULTIPLE CHOICE QUESTIONS 
Topic: Atomic Orbitals 
1. In quantum mechanics a node (nodal surface or plane) is: 
A) a place where Ψ is negative. 
B) a place where Ψ is positive. 
C) a place where Ψ = 0. 
D) a place where Ψ 
2 
is large. 
E) a place where Ψ 
2 
is negative. 
Ans: C 
Topic: Atomic Orbitals, Molecular Orbitals 
2. When the 1s orbitals of two hydroge...
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2024 ACS EXAM review (All Answered)
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Rutherford's Gold Foil Experiment correct answers proposed that atoms consist of a tiny, massive, positive nucleus surrounded by electrons 
 
nucleus correct answers contains all the positive charge and nearly all the mass of the atom 
 
James Chadwick correct answers discovered the neutron 
 
cathode rays correct answers move from negative electrode to positive electrode (like electrons in a voltaic cell) 
 
Thompson's Cathode Ray Experiment correct answers discovery of the electron (also the...
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