Orbitals Study guides, Class notes & Summaries
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NST2601 ASSIGNMENT 3 - 2023 (697799)
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NST2601 ASSIGNMENT 3 - 2023 
 
CLOSING DATE: 04 AUGUST 2023 
 
QUESTION 1 
List and explain three specific aims in Natural Sciences and Technology. 
 
QUESTION 2 
2.1 Provide six reasons why you should assess learners as a teacher. 
 
2.2 State and explain four types of assessment in learning activities which you will plan for your Grade 4 learners. 
 
QUESTION 3 
3.1 Explain why indigenous knowledge is important. 
3.2 Explain Bohr’s model theory. 
3.3 Differentiate between protons and neutro...
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CHEM 1311 CHAPTER 10: CHEMICAL BONDING II: MOLECULAR GEOMENTRY AND HYBRIDIZATION OF ATOMIC ORBITALS
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Chapter 10: Chemical Bonding II: Molecular Geometry and 
Hybridization of Atomic Orbitals 
1. Give the number of lone pairs around the central atom and the molecular geometry of 
CBr4. 
A) 0 lone pairs, square planar D) 1 lone pair, trigonal bipyramidal 
B) 0 lone pairs, tetahedral E) 2 lone pairs, square planar 
C) 1 lone pair, square pyramidal 
Ans: B Category: Medium Section: 10.1 
2. Give the number of lone pairs around the central atom and the molecular geometry of 
SCl2. 
A) 0 lone pairs, ...
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OCR 2023 Chemistry A H032/01: Breadth in chemistry AS Level Question Paper & Mark Scheme (Merged)
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2 
OCR 2023 
SECTION A 
You should spend a maximum of 25 minutes on this section. 
Write your answer to each question in the box provided. 
1 Which statement explains the trend in boiling points down the halogens group? 
A Covalent bonds become stronger. 
B Induced dipole–dipole interactions (London forces) become stronger. 
C Ionic bonds become stronger. 
D Permanent dipole–dipole interactions become stronger. 
Your answer [1] 
2 A hydrocarbon contains 85.71% carbon by mass. 
What is the em...
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SOLUTIONS MANUAL: Chemistry, 10th Edition Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste Instructor’s Solutions Manual. All 22 Chapters. 932 Pages.
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TABLE OF CONTENTS Chapter 1 Chemical Foundations 1 Chapter 2 Atoms, Molecules, and Ions..27 Chapter 3 Stoichiometry51 Chapter 4 Types of Chemical Reactions and Solution Stoichiometry 100 Chapter 5 Gases ..151 Chapter 6 Thermochemistry.198 Chapter 7 Atomic Structure and Periodicity.230 Chapter 8 Bonding: General Concepts ..267 Chapter 9 Covalent Bonding: Orbitals ..325 Chapter 10 Liquids and Solids365 Chapter 11 Properties of Solutions..408 Chapter 12 Chemical Kinetics447 Chapter 13 Chemical Equi...
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BIOL 111 FINAL TAMU – FLETCHER QUESTIONS AND ANSWERS 100% SOLVED
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BIOL 111 FINAL TAMU – FLETCHER QUESTIONS AND ANSWERS 100% SOLVED The element present in all organic molecules is Carbon 
Cell membranes have distinct inside and outside faces. Which of the following statements is the most likely explanation for the membrane's asymmetrical nature? The two sides of a cell membrane face different environments and carry out different functions 
Which of the following statements is true about buffer solutions? They maintain a relatively constant pH when either aci...
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CLEP Chemistry Latest Update Graded A
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CLEP Chemistry Latest Update Graded A John Dalton Proposed that matter is composed of atoms; these atoms have different identities called elements, which combine to form compounds; measured masses of reactants and products. 
J.J. Thompson Observed deflection of particles in a cathode ray tube; proposed that atoms are composed of positive and negative charges; developed the plum pudding model of the atom 
Robert Millikan Calculated the charge-to-mass ratio of electrons using oil drops falling in ...
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OCR A LEVEL CHEMISTRY B (SALTERS) H433/01 FUNDAMENTALS OF CHEMISTRY 2024 ACTUAL EXAM WITH 100% CORRECT ANSWERS. CHECK THE LAST PAGE FOR ANSWERS.
- Exam (elaborations) • 53 pages • 2023
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OCR A LEVEL CHEMISTRY B (SALTERS) H433/01 FUNDAMENTALS OF CHEMISTRY 
2024 ACTUAL EXAM WITH 100% CORRECT ANSWERS. 
CHECK THE LAST PAGE FOR ANSWERS. 
1	Which feature of the structure of the atom was deduced from the Geiger and Marsden experiment? 
 
A	Atoms consist of electrons, protons and neutrons. 
 
B	The nucleus is small and dense. 
 
C	Electrons exist in energy levels/shells. 
 
D	Electrons exist in atomic orbitals. 
 
Your answer	[1] 
 
 
2	Which row gives the correct trends for the followi...
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Test Bank For Chemistry 9th Edition by Steven S. Zumdahl; Susan A. Zumdahl 9781285600734 Chapter 1-22 Complete Guide.
- Exam (elaborations) • 796 pages • 2023
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Test Bank For Chemistry 9th Edition by Steven S. Zumdahl; Susan A. Zumdahl 0734, 8, 5383, 8 
 
1: Chemical Foundations 
 
2: Atoms, Molecules, and Ions 
 
3: Stoichiometry 
 
4: Types of Chemical Reactions and Solution Stoichiometry 
 
5: Gases 
 
6: Thermochemistry 
 
7: Atomic Structure and Periodicity 
 
8: Bonding: General Concepts 
 
9: Covalent Bonding: Orbitals 
 
10: Liquids and Solids 
 
11: Properties of Solutions 
 
12: Chemical Kinetics 
 
13: Chemical Equilibrium 
 
14: Acids and Ba...
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CSP1501 Assignment 1 2024 (Solutions)
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CSP1501 Assignment 1 2024 (Solutions) 
 
Question 1 
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Question text 
Which one of the following options lists only inorganic compounds? 
a. 
Water, salts, gas 
b. 
Carbohydrates, protein, fats 
c. 
Salts, gas, carbohydrates 
d. 
Water, oxygen, carbon dioxide, electrolytes 
Clear my choice 
Question 2 
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Question text 
Select the correct symbol for Dubnium 
a. 
Db 
b. 
D 
c. 
Dm 
d. 
Du 
Questio...
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General Chemistry ACS Final Exam (2024) All Correct.
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Protons correct answers defines the element; positive charge; equal to the atomic number 
 
Neutrons correct answers equal to mass number-number of protons; neutral charge 
 
Electrons correct answers negative charge; dependent on the charge of the atom 
 
Cations correct answers Positively charged ions 
 
Anions correct answers Negatively charged ions 
 
Isotopes correct answers when the number of neutrons varies but it has the same number of protons ex) Ne-20 and Ne-22` 
 
What was believed un...
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