Cem 141 exam 3 - Study guides, Class notes & Summaries
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CEM 141 - Exam 2 Latest Version Already Passed
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CEM 141 - Exam 2 Latest Version 
 
Already Passed 
 
mole 6.022 x 10^23 things 
number of particles that allows us to convert from the molecular to the macroscopic level 
 
limiting reactant/reagent amount of one of the reactants which limits how much product can 
be formed. smallest amount. 
 
percent yield actual/theoretical x 100 
 
electromagnetic radiation 
 
wavelength The distance between two corresponding parts of a wave. seconds/wave. 
1/frequency. measured in m 
 
amplitude Height of ...
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CEM 141 Exam 3 Practice-Question with Correct Answers/ Verified
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Regions of space where electrons with a particular quantized energy are most likely to be found - 
️️Atomic Orbitals 
Electrons occupy lowest level orbitals first -️️Aufbau Principle 
Electrons don't pair up until they have to -️️Hund's Rule 
Close to the nucleus -️️Core 
Higher in energy and far away from the nucleus -️️Valence
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CEM 141 MSU EXAM 3 QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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CEM 141 MSU EXAM 3 QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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CEM 141 exam 3 Questions & 100% Verified Correct Answers with complete solutions (Latest update 2024 2025
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CEM 141 exam 3 Questions & 100% Verified Correct Answers with complete solutions (Latest update 2024 2025
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CEM 141 Exam 3 Practice Questions & 100% Verified Correct Answers with complete solutions (Latest update 2024 2025
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CEM 141 Exam 3 Practice Questions & 100% Verified Correct Answers with complete solutions (Latest update 2024 2025
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CEM 141 Exam -3 (1) Questions & 100% Verified Correct Answers with complete solutions (Latest update 2024 2025
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CEM 141 Exam -3 (1) Questions & 100% Verified Correct Answers with complete solutions (Latest update 2024 2025
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CEM 141 - Exam 2 (Chapters 2 and 3) (1). Questions & 100% Verified Correct Answers with complete solutions (Latest update 2024 2025
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CEM 141 - Exam 2 (Chapters 2 and 3) (1). Questions & 100% Verified Correct Answers with complete solutions (Latest update 2024 2025
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CEM 141 Final Exam pt 3 (Real Exam 3, Mock Exam 3, PP Lecture 26-35) (1)
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CEM 141 Final Exam pt 3 (Real Exam 3, Mock Exam 3, PP Lecture 26-35) (1)
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CEM 141 MSU Exam 3 Answered Questions | Already Passed | 100 % Correct Answers
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Ionization Energy 
Ans: energy required to remove an electron from an atom in the gas phase 
Left Side Electrons 
Ans: have weaker attractions to remove electrons 
*easier to remove electrons from the left side of the table than the right side* 
Does it take MORE or LESS energy to remove an electron from Li than from Na? 
Ans: MORE 
Why? Because as we move down a group, the orbitals become larger and weaker. 
While going across the effective nuclear charge increases. (holds onto the electrons ...
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Cem 141 Chapter 3 Origin of Atoms Exam Questions| Already answered| GRADED A+
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Cem 141 Chapter 3 Origin of Atoms 
Exam Questions| Already answered| 
GRADED A+ 
in an infinitely dense moment 13.8 billion years ago, the Universe is born from a singularity. - ANSWER- 
The Big Bang Theory 
true - ANSWER-If thermal energy is spreading out it will eventually cool 
a mysterious particle/force accelerates the expansion. - ANSWER-Inflation 
after 380,00 years; loose electrons cool enough to combine with protons. The Universe becomes 
transparent to light. The microwave background b...
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