Valence shell - Study guides, Class notes & Summaries
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HESI A2 Anatomy and Physiology (answered) Complete solution guide.
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HESI A2 Anatomy and Physiology. 1. Anatomic position 2. Which of the following is a structure found in the upper respiratory? 3. A person who has damage to their ulnar nerve will have decreases sensation in 4. Which bone dose not articulate with any other bone? 5. Which of the following statements best describe endocrine glands? 6. Diet is important because bone are storage places for 7. Which organ is part of both the male reproductive system and the urinary system? 8. Red blood cell production...
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ULTIMATE AP Biology Exam Review; Questions & Answers Latest Update 100% Solved
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ULTIMATE AP Biology Exam Review; Questions & 
Answers Latest Update 100% Solved 
Define the following: isotope, valence shell, covalent bond, ionic bond Correct answerIsotope- one of several atomic forms of an element, each with the same # of protons, but 
different number of neutrons 
Valence shell- the outermost energy shell of an atom, containing valence electrons involved in 
chemical reactions 
Covalent bond- bond where the electrons are shared 
Ionic bonds- a chemical bond resulting f...
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NCTI Installer Tech Multiple Choice Part 1 questions with correct answers.
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Why do only the outer electrons leave their orbit shells? Answer Only outer electrons leave their orbit shells because electrons farthest from the nucleus are more easily freed from their orbits due to a weaker electrostatic force. 
 
What is required to have a balanced (or stable) atom? Answer The number of electrons must equal the number of protons in order to have a balanced atom. 
 
List the capacity of each of the first four orbital shells of an atom. Answer Shell: #1 = 2 electrons; #2 = 8 ...
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EPRI: Chemistry Questions and Answers 100% Pass
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EPRI: Chemistry Questions and Answers 100% Pass Properly Controlled Power Plant Chemistry Program The following are the purpose of: -Protect the reactor coolant system pressure boundary integrity -Protect fuel cladding integrity and fuel performance Minimize out-of-core radiation fields -Minimize corrosion of all secondary plant and auxiliary system components 
General Atomic Structure Dense nucleus includes protons (+) and neutrons (0) surrounded by dense cloud of electrons in describe orbits (...
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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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CSU LIFE 102 FINAL EXAM
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Phosphorus has an atomic number of 15. This tells us that... - Answer-there must be 15 protons 
 
True or False: covalent bonds are stronger than ionic and hydrogen bonds because atoms that are joined with covalent bonds share electrons - Answer-True 
 
An e- in a hydrogen atom exists in the first valence shell. The valence e- of Aluminum exist in the 3rd shell. Which valence shell e- have higher potential energy and why? - Answer-the valence e- of aluminum, bc higher e- shells have higher energ...
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BIOLOGY EXAM 1 Duquesne University Questions And Answers With Verified Solutions
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The Scientific Method - A logical, systematic approach to the solution of a scientific problem. 
What is science? - The systematic approach to answering questions; step by step process that is 
logical and rational by collecting data thru experimentation 
steps of scientific method - 1. observation 
2. question 
3. hypothesis (that is testable) 
4. test/experiment 
5. conclusion 
conclusion of scientific method - accept hypothesis OR reject hypothesis and make a new 
hypothesis 
2 groups of an e...
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CHEM 219 Module 1 Problem Set Principles of Organic Chemistry with Lab Gallaher Portage Learning.
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CHEM 219 Module 1 Problem Set Principles of Organic Chemistry with Lab Gallaher Portage Learning. 
Score for this quiz: 10 out of 10 
Submitted Jul 25 at 8:42pm 
This attempt took 1,135 minutes. 
Question 1 0 / 0 pts 
Your Answer: 
On a piece of scratch paper, write out the Lewis Dot Diagram for each of 
the indicated elements and determine the following for each: 
a) The number of Lone Pairs the atom possesses in its valence 
shell. 
b) The number of Unpaired Electrons the atom possesses in its...
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JMU BIO 140 DR. Doyle Exam 1 | 80 Questions with 100% Correct Answers | Verified | Latest Update 2024
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What is the difference between cations and anions? - Cation is the loss of electrons, the atom 
becomes more positive. Anion is the gain of electrons, the atom becomes more negative. 
Differentiate between mass number and atomic number. - Mass number- number of protons and 
neutrons. Atomic number- number of protons 
What are valence electrons and what is their significance? - Valence electrons are electrons in the 
outermost shell of an atom. They are important in determining the bonds that the...
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Bio WGU study for OA c190 QUESTION AND CORRECT ANSWER Latest update 2023
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Adaptation- - correct answersThe adjustment or changes in behavior, physiology, and structure of an organism to become more suited to an environment. 
 
Aerobic- - correct answersA process that requires oxygen. 
 
Allele -An alternative form of a gene. An example would be genes that encode eye color—some encode blue eyes (one allele), while others encode brown, green, or hazel eye colors (other alleles). - correct answers 
 
amino acids - - correct answersA small organic molecule with the stru...
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