Van der waals Study guides, Class notes & Summaries
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IB Chemistry SL: Topic 4 Latest Version Graded A
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IB Chemistry SL: Topic 4 Latest Version 
 
Graded A 
 
Ionic Bond Electrostatic attraction between oppositely charged ions 
 
Covalent Bond Electrostatic attraction between a pair of electrons and positively charged 
nuclei, formed as a result of electron sharing 
 
Metallic Bond Electrostatic attraction between a lattice of positive ions and delocalized 
electrons 
 
Polyatomic ions ions with more than one element 
 
e.g. CaCO3, Al(OH)3, Mg(NO3)2, (NH4)2SO4, Ba3PO4, LiHCO3 
 
Lattice ions arran...
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Barry BMS Immunology Test 1 (Questions + Answers) Verified 100% Correct!!.
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Antigen Shape to Antibody Shape - Answer-Simple = Pocket 
Large = Groove 
Complex = Extended Surface 
Type of chemical bond used with antibodies - Answer-1)Electrostatic 
2) Hydrogen bonds 
3) Van der Waals forces 
4) Hydrophobic interactions 
Cross reactivity - Answer-The biding site can accept a shape close enough in shape and get reaction 
or a stable structure 
Ex. Penicillin and other B-lactam 
Diagnostic tests for antibody/antigen - Answer-ELISA 
Lateral Flow test (pregnancy hCG) 
Immunofl...
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CH 222 Test Bank Biochemistry Test 1 - Centennial College
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The dipole moment in a water molecule Which statement about hydrogen bonds is NOT 
true? 
A) Hydrogen bonds account for the anomalously high boiling point of water. 
B) In liquid water, the average water molecule forms hydrogen bonds with three to 
four other water molecules. 
C) Individual hydrogen bonds are much weaker than covalent bonds. 
D) Individual hydrogen bonds in liquid water exist for many seconds and sometimes 
for minutes. 
E) The strength of a hydrogen bond depends on the linearit...
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Biology I Final Exam Practice| 185 Questions| With Complete Solutions
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A pair of shared valence electrons is referred to as a(n): 
a. covalent bond 
b. hydrophobic effect 
c. van der Waals interaction 
d. ionic bond correct answer: a. covalent bond 
 
For an atom that is NOT an ion, which of the following must be TRUE? 
a. the number of electrons equals the number of protons 
b. the number of protons equals the number of neutrons 
c. the number of electrons equals the number of neutrons correct answer: a. the number of electrons equals the number of protons 
 
As...
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BCH210 Midterm 2| 300 Questions| With Complete Solutions
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types of lipids (purpose) correct answer: storage, structural, and signalling 
 
fatty acid chemical structure and charge correct answer: - fatty part is the carbon chain 
- acid part is carboxyl group (-COOH) 
- negatively charged 
 
which conformations of saturated fatty acids are most stable? correct answer: - anti conformation 
- extended conformation 
 
unsaturated fatty acids correct answer: double bonds are almost always in cis conformation which results in kinks in structure 
 
mono-...
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AS-Level Chemistry :Paper 1 2024 latest update graded a+
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AS-Level Chemistry :Paper 1 2024 
latest update graded a+ 
Arranged in periods (rows) and groups (columns) by atomic (proton) 
number - CORRECT ANSWER-How is the periodic table arranged 
Have the same number of electrons shells, even if they are not all 
parts of the s or p sub-shells - CORRECT ANSWER-All elements 
within a period ... 
Have the same number of electrons in their outer shell, meaning 
that they all have similar properties - CORRECT ANSWER-All 
elements within a group ... 
Periodic...
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MSE 2001 HOMEWORK CHAPTER 2 Solutions Georgia Institute Of Technology
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MSE 2001 HOMEWORK CHAPTER 2 Solutions Georgia Institute Of Technology 
PART A. DEFINITIONS/NOMENCLATURE – (5 POINTS) 
1. A type of secondary bond in which a temporary dipole induces another dipole 
in an adjacent atom is referred to as a van der Waals bond. 
2. When the types of bonds between polymer chains are primary bonds the 
resulting polymer is said to be
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Bios 1300 Cumulative Final exam study guide rated 5 stars (with latest updates 2023)
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Bios 1300 Cumulative Final exam study guide rated 5 stars (with latest updates 2023) 
 
 
 
Which of the following bond types is the weakest? 
Isotopic bonds 
Van der Waals forces 
Hydrogen bonds 
Ionic bonds 
Nonpolar covalent bonds 
Polar covalent bonds - Van der Waals forces 
The lower the pH of a solution, the ________. 
lower the H+ concentration 
more neutral the solution is 
greater the number of oxygen atoms 
greater the number of H+ in solution 
less toxic the solution is - greater ...
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Test bank of tymoczkos biochemistry a short course 3rd edition All chapters
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Test bank of tymoczkos biochemistry a short course 3rd edition 
 
 
Chapter 1	Biochemistry and the Unity of Life 
 
 
Matching Questions 
Use the following to answer questions 1–10: 
 
Choose the correct answer from the list below. Not all of the answers will be used. 
a)	uracil 
b)	cytoplasm 
c)	protein 
d)	thymine 
e)	carbohydrate 
f)	sugar–phosphate units 
g)	cell wall 
h)	transcription 
i)	glycogen 
j)	lipid 
k)	central dogma 
l)	phagocytosis 
m)	endoplasmic reticulum 
n)	translation 
o)...
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UNE CHEM 1011 General Chemistry II Midterm Fall 2023 Questions With Complete Solutions
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intermolecular forces correct answer: the various forces of attraction that may exist between the atoms and molecules of a substance due to electrostatic phenomena 
 
kinetic energies correct answer: the energy required to overcome the attractive forces and thus increase the distance between particles 
 
Intramolecular forces correct answer: within the molecule that keep the molecule together 
 
Intermolecular forces correct answer: attractions between molecules, which determine many of the ...
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