Electronegativity Samenvattingen, Aantekeningen en Examens
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![AQA CHEMISTRY A LEVEL WITH COMPLETE SOLUTIONS covalent bond - ANSWER-a shared pair of electrons between non-metal elements co-ordinate bond - ANSWER-a shared pair of electrons where both electrons are supplied by one atom repulsion in shapes of molecu](/docpics/4977439/66181049d7d92_4977439_121_171.jpeg)
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AQA CHEMISTRY A LEVEL WITH COMPLETE SOLUTIONS covalent bond - ANSWER-a shared pair of electrons between non-metal elements co-ordinate bond - ANSWER-a shared pair of electrons where both electrons are supplied by one atom repulsion in shapes of molecu
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AQA CHEMISTRY A LEVEL WITH COMPLETE SOLUTIONS 
 
 
covalent bond - ANSWER-a shared pair of electrons between non-metal elements 
 
co-ordinate bond - ANSWER-a shared pair of electrons where both electrons are supplied by one atom 
 
repulsion in shapes of molecules - ANSWER-Lone pair-lone pair > lone pair-bonding pair > bonding pair-bonding pair 
 
electronegativity - ANSWER-the power of an atom to attract the pair of electrons in a covalent bond 
 
hess' law - ANSWER-Total enthalpy chang...
![Bio 1P91 Midterm Exam Study Questions with Complete Solutions](/docpics/3672858/6535353e92368_3672858_121_171.jpeg)
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Bio 1P91 Midterm Exam Study Questions with Complete Solutions
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Bio 1P91 Midterm Exam Study Questions with Complete Solutions 
elements of the scientific method - Correct Answer characterization, generate hypothesis, experimentation, intemperate results 
 
an accepted hypothesis is aka - Correct Answer theory 
 
Law or principal - Correct Answer Accepted by overwhelming majority of scientists 
 
What do e- shells represent - Correct Answer Energy state of an atom 
 
In water ionic bonds - Correct Answer Dissociate 
 
Types of bonds - Correct Answer Ionic, co...
![BIO 210 EXAM 1 LATEST UPDATE GRADED A+](/docpics/5545569/66605f3ed7f93_5545569_121_171.jpeg)
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BIO 210 EXAM 1 LATEST UPDATE GRADED A+
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Gene expression the process by which information encoded in DNA directs the synthesis of 
proteins or; in some case, RNAs that are not translated into proteins and instead functions as 
RNAs 
Ionic bonds Bonds that require donating and accepting electrons 
Emergent properties Properties of a complex system that are not present within its parts but 
that emerge only when those parts are combined. 
Natural selection A process in which individuals that have certain inherited traits tend to 
survive...
![Chem 241 Midterm 2 Questions And Answers Latest Update 2024](/docpics/5513761/665cdfc01e17c_5513761_121_171.jpeg)
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Chem 241 Midterm 2 Questions And Answers Latest Update 2024
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what are the two forms of hydrogen and how can we determine which it is within a bond? - correct answers Hydrogen can either be acidic (+) or hydridic (-). we can determine which it is in a certain bond by looking at the dipole and electronegativity of both atoms. 
 
what is an anion? - correct answers an atom with more electrons and a negative charge 
 
what is a cation? - correct answers an atom with less electrons (missing some) and a positive charge 
 
describe the radius of neutral atoms, c...
![Portage Learning CHEM 210 Module 2 Exam Questions With Answers Latest Updated 2024- 2025 (Graded A+)](/docpics/5458112/665554778750a_5458112_121_171.jpeg)
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Portage Learning CHEM 210 Module 2 Exam Questions With Answers Latest Updated 2024- 2025 (Graded A+)
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Portage Learning CHEM 210 Module 2 Exam Questions With Answers Latest Updated (Graded A+) The pH of a solution of 8.9 x 10-12 M NaOH is: 
A. 8.9 
B. 8.9 x 10-12 
C. 4.8 
D. 11 
E. 2.9 
Question 1 
Portage Learning CHEM 210 Module 2 Exam 
Questions With Answers Latest Updated 2024- 
2025 (Graded A+) 
ABC 
Question 2 
D 
E 
[Kw=[H+][OH-] = 1.0 x 10-14; [H+][8.9 x 10-12] = 1.0 x 10-14 ;[H+]=890; 
pH=-log[890]=2.9] 
Which attribute contributes to water’s unusual properties? 
The geometry of the m...
![Things to Memorize for IB Chem HL 100% Correct](/docpics/5227161/663b1749dc40f_5227161_121_171.jpeg)
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Things to Memorize for IB Chem HL 100% Correct
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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...
![CHEM 219 Module 1 Problem Set Principles of Organic Chemistry with Lab Gallaher Portage Learning.](/docpics/4739271/65f33d0a97b22_4739271_121_171.jpeg)
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CHEM 219 Module 1 Problem Set Principles of Organic Chemistry with Lab Gallaher Portage Learning.
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CHEM 219 Module 1 Problem Set Principles of Organic Chemistry with Lab Gallaher Portage Learning. 
Score for this quiz: 10 out of 10 
Submitted Jul 25 at 8:42pm 
This attempt took 1,135 minutes. 
Question 1 0 / 0 pts 
Your Answer: 
On a piece of scratch paper, write out the Lewis Dot Diagram for each of 
the indicated elements and determine the following for each: 
a) The number of Lone Pairs the atom possesses in its valence 
shell. 
b) The number of Unpaired Electrons the atom possesses in its...
![CHEM 241 Ch 16 Part 2 Questions And Answers Latest Update 2024](/docpics/5513868/665ce22ad72de_5513868_121_171.jpeg)
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CHEM 241 Ch 16 Part 2 Questions And Answers Latest Update 2024
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Substituents on an aromatic ring can either increase or decrease the reactivity of the ring toward electrophiles. This effect is a result of the balance between - correct answers induction 
resonance 
 
Substituents may withdraw or donate electron density from/to the aromatic ring by induction, which depends on the ______ and/or ______ of the atom or group attached to the ring. - correct answers polarizability 
electronegativity 
 
Match each type of substituent to the correct inductive effect ...
![IEB Physical Sciences: paper 2 Chemistry- chemical bonding and electronegativity](/docpics/6363c5be4df8b_2078462.jpg)
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IEB Physical Sciences: paper 2 Chemistry- chemical bonding and electronegativity
- Samenvatting • 7 pagina's • 2022
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IEB Physical Sciences: paper 2 Chemistry- chemical bonding and electronegativity summary notes,lots of diagrams for easy understanding and relatively compact to save time when revising and has alot of background knowledge to help with understanding of concepts aswell as personal notes that i used to help me remember stuff.
![Inorganic Chemistry Exam 3 With 100% Correct Answers 2024](/docpics/4542682/65d365f311ff3_4542682_121_171.jpeg)
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Inorganic Chemistry Exam 3 With 100% Correct Answers 2024
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Inorganic Chemistry Exam 3 With 
100% Correct Answers 2024 
What is electronegativity? - answerhow hard an element pulls on electrons in a bond 
electronegativity is related to? - answerdipole moments, ionization energy, electron 
affinity, Zeff, and radii 
what are the four different types of bonds? - answerionic, covalent, polar covalent, and 
metallic covalent 
what is the Mulliken equation? - answerX=EA+IE/2 
what is the Mulliken equation used for? - answerto calculate electronegativity from...
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