Dipole Study guides, Revision notes & Summaries
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OCR A Level Chemistry Paper 2 (H432/02) Synthesis and analytical techniques Mark Scheme for June 2023 (Verified)
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OCR A Level Chemistry Paper 2 (H432/02) Synthesis and analytical techniques Mark Scheme for June 2023 (Verified) Trend for all 3 hydrocarbons (1 mark): 
Boiling point increases with less branching 
OR less methyl/alkyl groups/side chains 
Explanation with comparison (3 marks): 
Branching and surface contact 
(Less branching gives) more (surface) contact / interaction 
(between molecules) 
Surface contact and London forces 
(More surface contact) gives more /stronger induced 
dipole(–di...
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EEG BOARD PREP QUESTION BANK (ANSWERED) OVER 250 MULTIPLE CHOICE QUESTIONS AND ANSWERS
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EEG BOARD PREP QUESTION BANK (ANSWERED) OVER 250 MULTIPLE CHOICE QUESTIONS AND ANSWERS 
 
WHICH OF THE FOLLOWING IS A TEST OF BRAIN FUNCTION (RATHER THAN BRAIN ANATOMICAL STRUCTURE)? 
A CT SCAN 
B EEG 
C MRI 
D BRAIN SCAN 
B EEG 
WHO WAS THE FIRST TO DESCRIBE ELECTRICAL ACTIVITY IN THE HUMAN BRAIN? 
A ADOLF BECK 
B HANS BERGER 
C RICHARD CATON 
D FLEISCHEL VON MARXOW 
B HANS BERGER 
DIPOLE LOCALIZATION ALLOWS ONE TO 
A FIND THE SOURCE OF POTENTIAL GENERATOR 
B DETECT THE ACTION POTENTIAL 
C RECO...
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OCR A Level Chemistry Paper 2 (H432/02) Synthesis and analytical techniques Mark Scheme for June 2023 (Verified)
- Exam (elaborations) • 38 pages • 2024
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- $12.99
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OCR A Level Chemistry Paper 2 (H432/02) Synthesis and analytical techniques Mark Scheme for June 2023 (Verified) Trend for all 3 hydrocarbons (1 mark): 
Boiling point increases with less branching 
OR less methyl/alkyl groups/side chains 
Explanation with comparison (3 marks): 
Branching and surface contact 
(Less branching gives) more (surface) contact / interaction 
(between molecules) 
Surface contact and London forces 
(More surface contact) gives more /stronger induced 
dipole(–di...
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OCR A Level Chemistry Paper 2 (H432/02) Synthesis and analytical techniques Mark Scheme for June 2023 | Verified.
- Exam (elaborations) • 38 pages • 2024
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- $13.49
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OCR A Level Chemistry Paper 2 (H432/02) Synthesis and analytical techniques Mark Scheme for June 2023 | Verified. Trend for all 3 hydrocarbons (1 mark): 
Boiling point increases with less branching 
OR less methyl/alkyl groups/side chains 
Explanation with comparison (3 marks): 
Branching and surface contact 
(Less branching gives) more (surface) contact / interaction 
(between molecules) 
Surface contact and London forces 
(More surface contact) gives more /stronger induced 
dipole(–d...
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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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UNE - Chem 1011 - Midterm Study Guide Questions With Complete Solutions
- Exam (elaborations) • 29 pages • 2023
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A hydrogen bond is characterized by 
 
A. the attraction of temporary dipoles produced by the random asymmetries in electron motion 
 
B. the electrostatic attraction between the permanent dipoles in any polar molecule 
 
C. the highly concentrated partial charge between an H atom and F, O, or N atoms 
 
D. the covalent sharing of electrons between two atoms in a molecule correct answer: C. the highly concentrated partial charge between an H atom and F, O, or N atoms 
 
(Ref: Week 1 Quiz) 
 
A....
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BTEC Applied Science Unit 1 Chemistry - Distinction.
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BTEC Applied Science Unit 1 Chemistry - Distinction. How many electrons can an s subshell hold? correct answer2 
How many electrons can a p subshell hold? correct answer6 
How many electrons can a d subshell hold? correct answer10 
Which subshells are available in the first energy level? correct answers 
Which subshells are available in the second energy level? correct answers and p 
Which subshells are available in the third energy level? correct answers, p and d 
What is Hund's rule? correct ...
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Progression: Maintenance Tech I - II Conventional: Exam Review Answered.
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Progression: Maintenance Tech I - II Conventional: Exam 
 
In the tree-and-branch architecture, how is the downstream signal from the trunk fed to the distribution branches? 
 
 
What is a common solution when congestion from modem activity and traffic becomes unacceptable in a hybrid fiber/coax (HFC) network? 
 
What technologies are defined in DOCSIS 4.0 to help sustain the hybrid fiber/coax (HFC) network infrastructure for several more years? 
 
How can a less-experienced technician identi...
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CEM 142 MSU Final Exam Questions and Answers Already Passed
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CEM 142 MSU Final Exam Questions and 
 
Answers Already Passed 
 
Does aqueous sugar conduct electricity, why or why not 
No, because there are no ions 
Does aqueous NaCl conduct electricity? 
Yes, because this is an ionic compound (metal/nonmetal) 
What is the only IMF present in non polar molecules 
London Dispersion Forces 
How does electronegativity change in the periodic table 
Electronegativity increases from left to right (with the right being most electronegative), and 
increases from bo...
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UNE Chem 1011 EXAM Questions With Complete Solutions
- Exam (elaborations) • 24 pages • 2023
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Intermolecular forces (IMFs) correct answer: the forces of attraction between molecules of covalent compounds (weak) 
 
Intramolecular forces correct answer: forces within molecules. Forces caused by the attraction and repulsion of charged particles (strong) 
 
Dispersion forces correct answer: present in all molecules 
 
attractions between molecules caused by the electron motion on one molecule affecting the electron motion on the other through electrical forces; these are the weakest inter...
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