Molecular shapes Study guides, Class notes & Summaries
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![ASU Esqueda BIO 181 Unit 1 with 100% correct answers](/docpics/5622952/6669a75ce042a_5622952_121_171.jpeg)
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ASU Esqueda BIO 181 Unit 1 with 100% correct answers
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ASU Esqueda BIO 181 Unit 1molecular complementarity - correct answer if the charges are opposite and the shapes fit like a lock-and-key, the molecular complementarity is higher 
 
atomic number - correct answer number of protons in the nucleus of each atom of that element 
 
mass number - correct answer the total number of protons and neutrons in an atom 
 
carbon - correct answer "life's chemical backbone" 
 
most abundant chemical elements - correct answer H, C, N, O 
 
valence electrons - ...
![year 2022-2023 notes USABO Exam Questions And Answers](/docpics/4946758/66139f6f33291_4946758_121_171.jpeg)
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year 2022-2023 notes USABO Exam Questions And Answers
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year notes USABO Exam Questions And Answers 
 
axon hillock - ANS the cone-shaped area on the cell body from which the axon originates 
-trigger zone 
 
hyperopia - ANS A condition in which visual images come to a focus behind the retina of the eye and vision is better for distant than for near objects -- called also farsightedness. 
 
axon hillock has high concentration of what voltage gated pumps - ANS sodium and potassium 
 
how to calculate membrane potential - ANS the outs...
![OCR AS LEVEL CHEMISTRY A H432/03 UNIFIED CHEMISTRY ACTUAL 2024 EXAM GENUINE EXAM WITH ACCURATE ANSWERS. CHECK THE LAST PAGE FOR ACCURATE ANSWERS](/docpics/3942212/6569e3a3eee9d_3942212_121_171.jpeg)
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OCR AS LEVEL CHEMISTRY A H432/03 UNIFIED CHEMISTRY ACTUAL 2024 EXAM GENUINE EXAM WITH ACCURATE ANSWERS. CHECK THE LAST PAGE FOR ACCURATE ANSWERS
- Exam (elaborations) • 39 pages • 2023
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OCR AS LEVEL CHEMISTRY A H432/03 UNIFIED CHEMISTRY ACTUAL 2024 EXAM 
GENUINE EXAM WITH ACCURATE ANSWERS. 
CHECK THE LAST PAGE FOR ACCURATE ANSWERS 
1	This question is about organic chemistry. 
 
(a)	This part is about two practical techniques used in organic preparations. 
 
(i)	Complete the missing labels on the diagram and name the technique. 
 
 
 
Heat 
 
Name of technique:	[2] 
 
(ii)	Draw a labelled diagram to show apparatus set up for filtration under reduced pressure (vacuum filtration)...
![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...
![AQA A LEVEL Chemistry Questions & Correct Answers/ Graded A+](/docpics/5435349/665214a1594e2_5435349_121_171.jpeg)
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AQA A LEVEL Chemistry Questions & Correct Answers/ Graded A+
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Relative atomic mass 
: The average mass of an atom of an element, relative to 1/12th of the mass of an atom 
of Carbon-12 
Relative molecular mass 
: Average mass of a molecule compared to 1/12th of the mass of a carbon-12 atom 
The Avogradro constant 
: the number of particles in a mole 
ideal gas equation 
: pV = nRT 
empirical formula 
: the simplest whole number ratio of atoms of each element in a compound 
2 
percentage atom economy 
: (Mass of desired product/total mass of reactants) x 1...
![PORTAGE LEARNING CHEM 210 exams 1-8 and final exam](/docpics/6447cdad8d56f_2653832.jpg)
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PORTAGE LEARNING CHEM 210 exams 1-8 and final exam
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Portage Learning CHEM 210 exams 1-8 and final exam 
 
Question 1 
3 / 3 pts 
 
True or False: According to the Module, a compound with a molecular mass of 1,000 g/mol is considered a macromolecule. 
 
 
 
True Correct! 
False Question 2 
3 / 3 pts 
True or False: Biomolecules can have only two functional groups. 
 
True Correct! 
False Question 3 
3 / 3 pts 
 
True or False: The following functional group is an alcohol. 
 
 
 
 
 
True Correct! 
False Question 4 
3 / 3 pts 
 
True or False: In ...
![UGRD-CS6105 Discrete Mathematics Study Guide 2023 with complete solution](/docpics/3442259/65045ed0effcb_3442259_121_171.jpeg)
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UGRD-CS6105 Discrete Mathematics Study Guide 2023 with complete solution
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UGRD-CS6105 Discrete Mathematics Study Guide 2023 with complete solution 
 
Classify the sentence below as an atomic statement, a molecular statement, or not a statement at all. If the statement is molecular, identify what kind it is (conjuction, disjunction, conditional, biconditional, negation). 
 
Every natural number greater than 1 is either prime or composite. 
molecular 
conditional 
In my safe is a sheet of paper with two shapes drawn on it in colored crayon. One is a square, and the othe...
![TEST BANK for Essentials of Physical Anthropology 10th Edition by Robert Jurmain, Lynn Kilgore, Wenda Trevathan And Eric Bartelink](/docpics/6334b8dfbccc3_1992996.jpg)
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TEST BANK for Essentials of Physical Anthropology 10th Edition by Robert Jurmain, Lynn Kilgore, Wenda Trevathan And Eric Bartelink
- Exam (elaborations) • 224 pages • 2022
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TEST BANK for Essentials of Physical Anthropology 10th Edition by Robert Jurmain, Lynn Kilgore, Wenda Trevathan And Eric Bartelink. 
CHAPTER 1: INTRODUCTION TO PHYSICAL ANTHROPOLOGY 
 
Chapter Outline 
I.	Introduction 
A.	Hominins are members of an evolutionary lineage which includes our own species, Homo sapiens, and all extinct bipedal relatives. 
1.	The 3.7 million year-old footprints at the ancient savanna site of Laetoli, as well as numerous fossil discoveries in Africa, are clear evidence ...
![Test Bank For Chemistry: Structure and Properties 2nd Edition By Nivaldo J. Tro 9780134293936 Chapter 1-22 Complete Guide .](/docpics/63ff2f0a799a8_2424257.jpg)
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Test Bank For Chemistry: Structure and Properties 2nd Edition By Nivaldo J. Tro 9780134293936 Chapter 1-22 Complete Guide .
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Test Bank For Chemistry: Structure and Properties 2nd Edition By Nivaldo J. Tro 3936, 2 , 1326, X 
 
1 Atoms 
 
2 The Quantum-Mechanical Model of the Atom 
 
3 Periodic Properties of the Elements 
 
4 Molecules and Compounds 
 
5 Chemical Bonding I Drawing Lewis Structures and Determining Molecular Shapes 
 
6 Chemical Bonding II Valence Bond Theory and Molecular Orbital Theory 
 
7 Chemical Reactions and Chemical Quantities 
 
8 Introduction to Solutions and Aqueous Reactions 
 
9 Thermochemis...
![Life 103 Exam 1 CSU Questions and Answers Already Passed](/docpics/4524941/65d07a914b346_4524941_121_171.jpeg)
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Life 103 Exam 1 CSU Questions and Answers Already Passed
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Life 103 Exam 1 CSU Questions and 
 
Answers Already Passed 
 
Science recognizing patterns in the natural world and understanding the mechanisms that 
give rise to those patterns 
 
The Diversity of Life Patterns 
 
How plants and animals work Mechanisms 
 
Evolution the change in allele frequencies in a population over time 
 
Four Mechanisms of Evolution Selection, Genetic Drift, Mutation, and Migration 
 
Selection changes in allele frequencies due to organisms with advantageous alleles 
rep...
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