Bonding regions - Study guides, Class notes & Summaries
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Ball State University Biology 102 Exam 1 2024/2025 Questions and Answers with complete solution
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________ elements are essential to life. - 25 
_____________ are also a part of the nucleus; they are neutral. - Neutrons 
______________ have a negative charge. They move around the nucleus in shells at different distances 
and energy levels. - Electrons 
_______________ are part of the atomic nucleus and have a positive charge. - Protons 
A _________________ bond is an electrical attraction between oppositely charged regions of separate 
polar molecules. - Hydrogen 
A _________________ is a li...
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AAMC MCAT Practice Exam 1 questions fully solved & verified for accuracy 2024
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In the chromatography of the reaction mixture, water absorbed on cellulose functioned as the stationary phase. What was the principal factor determining the migration of individual components in the sample? 
 
A) Hydrogen bonding 
B) Solute concentration 
C) Stationary phase concentration 
D) Thickness of paper 
A) Hydrogen bonding 
 
The answer to this question is A because the relative amount of hydrogen bonding to the stationary phase will determine the relative rate of migration of the vario...
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MCAT Biology Practice Questions With Complete Solutions.
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MCAT Biology Practice Questions With Complete Solutions. 
 
 
the chemical reaction that breaks down all the major macro-molecules - CORRECT ANSWER Hydrolysis 
 
What is the strongest type of INTER-molecular bonds? - CORRECT ANSWER Hydrogen bonds are the strongest intermolecular bonds.... 
diople-dipole bonds are weaker. . . Vander wall bonds are the weakest. 
 
Why is water a liquid at high temperatures? - CORRECT ANSWER Hydrogen bonding bonds the water molocules closer together. 
 
What is an ...
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Solution Manual for Organic Chemistry Mechanistic Patterns Canadian 1st Edition by Ogilvie Ackroyd Br
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Chapter 1 Carbon and Its Compounds CHECKPOINT PROBLEMS Practice Problem 1.1 a) S — 1s2 2s2 2p6 3s2 3p4 b) Cl — 1s2 2s2 2p6 3s2 3p5 c) Na+ — 1s2 2s2 2p6 1-2 Copyright © 2018 Nelson Education Limited Practice Problem 1.2 a) Count valence electrons. Build a basic bonding framework and account for electrons used. Add remaining electrons and check for formal charges. The molecule has a lone pair on the nitrogen. All other electrons are bonding electrons. b) Count valence electrons. Build a bas...
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HB Unit 3 Properties of Water & Macromolecules (Without Enzymes)(DIAGRAMS)
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Cohesion 
Attraction between like molecules 
 
 
Adhesion 
Attraction between molecules of different substances 
 
 
Hydrogen bond 
Weak attraction between a hydrogen atom and another atom 
The attraction between the oppositely charged regions of two molecules; occurs in water molecules when hydrogens in one molecule are attracted to oxygens in another 
 
 
Covalent bond 
A type of strong chemical bond in which two atoms share one or more pairs of valence electrons. 
A chemical bond between two ...
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BIL 150 Exam 2 || A+ GRADED
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Proteins constructed from same set of how many amino acids? correct answers 20 
 
Covalent bond between amino acids is known as a... correct answers Peptide Bond 
 
Each polypeptide has a unique linear sequence of... correct answers amino acids 
 
Biologically functioning molecule made up of one of more polypeptides folded and coiled into a specific 3 dimensional shape correct answers Protein 
 
9 amino acids that cannot be synthesized by heterotrophs so they must get them from food correct answ...
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Chemistry 1010 Exam 2 Clemson test questions and answers
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a unit of matter that results when two or more atoms are joined by covalent bonds 
molecule 
 
 
 
a bond resulting from the electrostatic attraction of a cation for an anion 
ionic bond 
 
 
 
 
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a bond characterized by an even distribution of charge; electrons in the bonds are shared equally by the two atoms 
non polar covalent bond 
 
 
 
charged group of more than one k...
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Purdue Chem 115 - Final Exam Latest Update Graded A
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Purdue Chem 115 - Final Exam Latest Update Graded A 
 
Valence Bond Theory A model that attempts to reconcile the shapes of molecules with those of atomic orbitals through the concepts of orbital overlap and hybridization (429). 
 
hybridization a postulated process of orbital mixing to form hybrid orbitals (430). 
 
hybrid orbitals an atomic orbital postulated to form during binding by the mathematical mixing of specific combinations of nonequivalent orbitals on a given atom (430). 
 
sp hybrid...
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BIO 1610 SLCC Final Exam Marking Scheme New Update (Verified Pass)
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BIO 1610 SLCC Final Exam Marking Scheme New Update (Verified Pass) 
 
What makes something "living"? - Answers - -gas exchange 
-movement 
-interacts w environment 
-can reproduce 
-can adapt/grow/evolve 
 
5 Themes in Book - Answers - -organiziation 
-information 
-matter&energy 
-evolution 
 
Taxonomy - Answers - the naming and classification of organisms 
 
Species - Answers - type of organism 
 
Morphological Species Concept - Answers - external form 
 
Biological Species Concept - Ans...
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Chem 210 Exam 1 Questions & Answers 100% Accurate.
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sp Hybridization - ANSWER2 SP + 2 π orbital 
Linear geometry at carbon 
 
sp² Hybridization - ANSWER3 SP + 1 π orbital 
Trigonal planar geometry at carbon 
 
sp³ Hybridization - ANSWER4 SP orbitals 
Tetrahedral geometry 
 
Antibonding MOs - ANSWERDestructive interference waves created by high energy electrons in MO models (Node is always present in antibonds) 
 
Bonding MOs - ANSWERConstructive interference waves created by lower energy electrons in MO models (No nodes, but beware of node-li...
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