Polar covalent bond - 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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MICR 3033 Exam 1 Questions with Complete Solutions
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Describe a hydrogen bond. Correct Answer-positively charged hydrogen is attracted to negatively charged atoms, intermolecular forces hold these bonds together 
 
A carbon atom contains six protons and six neutrons. What are its atomic number, atomic weight, and how many electrons does it have? How many additional electrons must it add to fill its outermost shell? Correct Answer-atomic number: 6 
atomic weight: 12 
electrons: 6 
additional electrons: 4 
 
How is an ionic bond formed? Correct Answ...
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WGU Biochemistry OA 2022/2023 Questions With Answers.
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WGU Biochemistry OA 2022/2023 Questions With Answers. Amino Acid backbone consists of Ans - 1. amino group 
2. carboxyl group 
3. alpha carbon 
4. R group 
Amino group: looks likes/consists of Ans - NH3+ 
Carboxyl group looks like/consists of Ans - cooAlpha carbon looks like/consists of Ans - CH 
The three Amino acid categories Ans - 1. hydrophobic (nonpolar) 
2. polar 
3. charged 
Hydrophobic Amino Acids Ans - non polar 
afraid of h20 
usually in the middle/core of the protein 
contains H + C...
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Bios 1300 Cumulative Final with Verified Answers.
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Bios 1300 Cumulative Final with Verified Answers. 
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 correct answers 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 correct answers greater the number of H+ ...
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NUR231 MCQ Exam Review Exam Questions With 1005 Correct Answers
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NUR231 MCQ Exam Review Exam Questions With 1005 Correct Answers 
A chemical bond in which electrons are equally shared is a(n) 
 
a. Ionic bond 
b. Polar covalent bond 
c. Nonpolar covalent bond 
d. Hydrogen bond 
c. Nonpolar covalent bond 
 
 
 
The bond of oxygen and hydrogen between water molecules is a 
 
a. Ionic bond 
b. Polar covalent bond 
c. Nonpolar covalent bond 
d. Hydrogen bond 
b. Polar covalent bond 
 
 
The unit molecules (monomers) of carbohydrates are 
 
a. Monosaccharides 
b. ...
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Biology 1610 FINAL USU 2022/2023 (Questions And A nswers)
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The most common isotope of hydrogen has one proton, no neutrons, and one electron. An isotope of hydrogen with 1 neutron would have: 
an atomic number of 1 and a mass number of 2 
 
 
In a covalent bond: 
electrons are shared between atoms so that all atoms have full outer shells 
 
 
 
A property of a system that is present at one level of organization but absent at the levels below is called: 
an emergent property 
 
 
An ionic bond is 
weaker than a covalent bond 
 
 
Modern taxonomy attempts...
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Testbank for Biology 2nd Edition from OpenStax College
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Testbank for Biology 2nd Edition from OpenStax CollegeChapter 1 1 Figure 1.6 1: C; 2: F; 3: A; 4: B; 5: D; 6: E. The original hypothesis is incorrect, as the coffeemaker works when plugged into the outlet. Alternative hypotheses include that the toaster might be broken or that the toaster wasn't turned on. 3 Figure 1.16 Communities exist within populations which exist within ecosystems. 4 B 6 D 8 C 10 C 12 B 14 D 16 Answers will vary, but should apply the steps of the scientific method. One pos...
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BIOLOGY 93 UCI MIDTERM 1 KEY TERMS 100% CORRECT
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BIOLOGY 93 UCI MIDTERM 1 KEY 
 
TERMS 100% CORRECT 
 
Hypothesis a tentative answer to a well framed question - an explanation on trial 
 
Prediction A logical statement about what will happen if the hypothesis is correct. 
 
Experiment a repeatable procedure that is used to test a hypothesis (a scientific test carried 
under controlled condition) 
 
Variable factors that vary in an experiment 
 
Controlled Experiment An experiment in which all factors are identical except the one being 
tested....
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BIO-100 Exam 5 Latest Update Graded A+
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BIO-100 Exam 5 Latest Update Graded 
 
A+ 
 
elements substances that cannot be divided into simpler substances through chemical 
reactions 
 
92 There are ___ naturally occurring elements 
 
atomic number Indicates the number of protons in an element on the periodic table 
 
atomic weight Represents the total number of protons and neutrons in an element on the 
periodic table 
 
neutrons Atomic weight often appears as a decimal because it averages all naturally 
occurring isotopes of the elemen...
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Test Bank-Lehninger Principles of Biochemistry 8th Edition by David L. Nelson - Complete, Elaborated and Latest Test Bank. ALL Chapters (1-28) Included and Updated
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Test Bank - Lehninger Principles of Biochemistry 8th Edition by David L. Nelson - Complete, Elaborated and Latest Test Bank. ALL Chapters (1-82) Included and Updated 
 
 
#BiochemistryFoundations 
#ProteinStructure 
#EnzymeFunction 
#NucleicAcids 
#LipidsAndMembranes 
#MetabolismIntro 
#Glycolysis 
#CitricAcidCycle 
#OxidativePhosphorylation 
#Photosynthesis 
#AminoAcidBiosynthesis 
#GeneExpression 
#BiochemistryTestBank 
#Bioenergetics 
#BiochemicalSignaling 
 
 
Chapter: 1. The Foundations of...
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