Compounds with ionic - Study guides, Class notes & Summaries
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Test Bank For Foundations of College Chemistry 14th Edition Hein
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Package Title: Hein Test Bank 
Course Title: Hein 14e 
Chapter Number: 3 
 
 
Question type: Multiple Choice 
 
 
1) All matter is composed of elements. Approximately how many elements are there? 
 
a) 4 
b) 10 
c) 68 
d) 100 
 
Answer: D 
 
Difficulty: easy 
Learning Objective 1: Define an element and write the chemical symbol for an element when given its name. 
Section Reference 1: Section 3.1 
 
 
2) The smallest particle of an element that can exist is called a(n) ___. 
 
a) atom 
b) ferrul...
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CHEM 120 Week 8 Lab Practical Online Quiz
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Station 1. You have run an experiment studying the effects of the molecular weight of a compound on the rate of diffusion in agar. Compound X has a molecular weight of 25.3 g/mol and compound Y has a molecular mass of 156.2 g/mol. On two separate agar plates, 0.1 g of each substance were transferred and allowed to diffuse for 2 hours. The results below were obtained. Use this information about this situation to answer the following three questions. 
1.	Question: (CO 1) What was the independent v...
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CSU LIFE 102 FINAL EXAM QUESTIONS & ANSWERS SOLVED 100% CORRECT!
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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 energy...
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STRAIGHTERLINE CHEMISTRY FINAL EXAM TEST WITH COMPLETE SOLUTIONS
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What is the term used for findings that are summarized based on a pattern or trend? 
a. Law 
b. Hypothesis 
c. Theory 
d. Phenomena 
e. Prediction - a. Law 
Which of the following is a tentative explanation for a set of observations? 
Select one: 
a. Law 
b. Hypothesis 
c. Theory 
d. Phenomena 
e. Prediction - b. Hypothesis 
If a liquid contains 60% sugar and 40% water throughout its composition then what is it 
called? 
Select one: 
a. Solute 
b. Compound 
c. Homogeneous mixture 
d. Heterog...
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GTC BIO2113 Final Exam Review 2023 with complete solution
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GTC BIO2113 Final Exam Review 2023 with complete solution 
 
Visceral 
Tissue that covers organs 
Parietal 
Tissue that covers an entire cavity 
Pleura 
Tissues found in Thoracic cavity 
Peritoneum 
Tissues that line Abdominopelvic Cavity 
Endocrine, Nervous 
Two systems integral to homeostasis 
Negative Feedback 
Opposes variations from "normal" in body to maintain homeostasis 
Antecubital 
Pertaining to front of elbow 
Pollex 
Thumb 
Calcium 
Homeostasis acquired by taking from bone, food. V...
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Portage Learning BIOD 101 Modules 1, 2,3,4,5, and 6 | Actual Exam Tests Questions With Verified Answers
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Portage Learning BIOD 101 Modules 1, 
2,3,4,5, and 6 | Actual Exam Tests 
Questions With Verified Answers 
What is matter and what states can it exist in? - ANSWER Matter 
is anything that takes up space, by having volume, and has mass. 
Can exist in a solid, liquid, or gaseous state. 
Explain the difference between essential and trace elements - 
ANSWER Essential elements are required for human life. Trace 
elements are only required in small quantities 
Describe an ionic bond - ANSWER fo...
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Test Bank For Organic Chemistry 9th Edition by John E. McMurry
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Chapter 01 - Structure and Bonding 
1. Give the ground-state electron configuration for carbon (atomic number 6). 
1s22s22px12py1 or 1s22s22p2 
2. Give the ground-state electron configuration for fluorine (atomic number 9). 
ANSWER: 
POINTS: 1 
1s22s22px2 2py2 2pz1 or 1s22s22p5 
3. Give the ground-state electron configuration for magnesium (atomic number 12). 
1s22s22p63s2 
4. How many electrons does silicon have in its valence shell? 
ANSWER: four POINTS: 1 
Exhibit 1-1 
Write valid Lewis (elec...
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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.
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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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Straighterline Chemistry Final Exam Questions with Complete Solutions Latest
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Straighterline Chemistry Final Exam Questions with Complete Solutions Latest 
 
 
The 80Br- ion has 
 
Select one: 
a. 45 protons, 35 neutrons, 45 electrons. 
b. 35 protons, 45 neutrons, 34 electrons. 
c. 35 protons, 45 neutrons, 36 electrons. 
d. 45 protons, 35 neutrons, 46 electrons. 
e. 35 protons, 45 neutrons, 46 electrons. - Answer-e. 35 protons, 45 neutrons, 46 electrons. 
 
The formula for sodium sulfide is 
Select one: 
a. NaS 
b. K2S 
c. NaS2 
d. Na2S 
e. SeS - Answer-d. Na2S 
 
Which...
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Test Bank for Memmlers Structure and Function of the Human Body 12th Edition by Cohen | Complete Guide A+
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Test Bank Memmlers Structure and Function of the Human Body 12th Edition Cohen Chapter 01: Introduction to the Body MULTIPLE CHOICE 1. The word derived from two word parts that mean ―cutting apart‖ is a. physiology b. homeostasis c. anatomy d. dissection ANS: C DIF: Memorization REF: p. 3 OBJ: 1 TOP: Introduction 2. The study of how the body functions is called a. physiology b. homeostasis c. anatomy d. dissection ANS: A DIF: Memorization REF: p. 3 OBJ: 1 TOP: Introduction 3. The correct seq...
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