Which gas is br - Study guides, Class notes & Summaries
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ACS Chemistry Final Exam 182 Questions with Verified Answers,100% CORRECT
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ACS Chemistry Final Exam 182 Questions with Verified Answers 
 
Layout of an element (mass # & atomic #) - CORRECT ANSWER 
 
atomic number = - CORRECT ANSWER # of protons 
 
mass number = - CORRECT ANSWER # of protons + neutrons 
 
the number of protons in a neutral atom will equal the - CORRECT ANSWER # of electrons 
 
how to find the correct number of neutrons - CORRECT ANSWER mass number - atomic number 
 
Forms of the same elements that differ in amount of neutrons - CORRECT ANSWER isotopes...
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SAMPLE CHEMISTRY PLACEMENT EXAM QUESTIONS WITH COMPLETE SOLUTIONS 100% 2023/2024
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SAMPLE CHEMISTRY PLACEMENT EXAM QUESTIONS WITH COMPLETE SOLUTIONS 100% 2023/2024 
Answer: Oxygen 
Aluminum forms a +3 ion. In order for the formula unit Al₂X₃ to be electrically neutral, the element X must form a -2 ion. Nonmetals in the oxygen column do this. Of these elements, only oxygen is a diatomic gas. 
Aluminum reacts with element X to form a compound with the formula A₂X₃. Element X exists as diatomic molecules, X₂, in the gaseous state at normal temperature and pressure. Elem...
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INORGANIC PHARMACEUTICAL CHEMISTRY Final Exam 2023-2024 Version/A GRADE
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INORGANIC PHARMACEUTICAL CHEMISTRY Final 
Exam Version/A GRADE 
1. What element is also known as 
dephlogisticated air? 
A. Nitrogen 
B. Oxygen 
C. Hydrogen 
D. Sulfur 
E. Helium 
2. What is the predominant ion in the 
extracellular fluid? 
A. Na+1 
B. K+1 
C. Mg+2 
D. Ca+2 
E. Mn+2 
3. What is the halogen used as water purifier? 
A. F 
B. Cl 
C. Br 
D. I 
E. At 
4. Which of the following substances is 
employed in the treatment of mental disorder? 
A. MgSO4 
B. K2Cr2O7 
C. Li2CO3 
D. NaHCO...
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ACS Chemistry Final general Chem 1 Review 63 Questions with Verified Answers,100% CORRECT
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ACS Chemistry Final general Chem 1 Review 63 Questions with Verified Answers 
 
Density - CORRECT ANSWER mass / volume 
 
Conversion from celsius to kelvin - CORRECT ANSWER K = DegC + 273.15 
 
Conversion from DegF to DegC - CORRECT ANSWER DegC = (5/9) (DegF - 32) 
 
Conversion from DegC to DegF - CORRECT ANSWER DegF = (9/5)(DegC) + 32 
 
Intensive properties - CORRECT ANSWER Independent of amount of matter examined 
 
Extensive propertires - CORRECT ANSWER Dependent of amount of matter examined...
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General Chemistry placement test Study Guide 2024 Solved 100%
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General Chemistry placement test Study Guide 2024 Solved 100% 
 
 
molecule 
two nonmetal atoms combined form a covalent compound called a 
diatomic molecules 
H2,O2,F2 
Matter 
Anything that has mass and takes up space 
Element 
A substance that cannot be broken down into simpler substances 
Compound 
A pure substance made of two or more elements CHEMICALLY combined. 
Compound 
Can be decomposed by chemically 
Mixture 
A PHYSICAL blend of two or more components 
(aq) 
aqueous mixture, a substan...
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ATI TEAS 7 SCIENCE PRACTICE TEST WALDEN
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1. The movement of food through the intestines is known as: 
A. Peristalsis 
B. Ileum translation 
C. Microvilli propulsion 
D. Flexure propulsion 
2. The enzyme maltase does the following: 
A. Breaks down lactose to glucose 
B. Turns glucose into maltose 
C. Breaks down maltose to glucose 
D. Turns glucose into lactose 
3. High levels of bilirubin in the blood stream can result in: 
A. Uric acid overexposure 
B. Jaundice 
C. Bile salt production 
D. Hepatic mutation 
4. The symbol B on the peri...
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Exit HESI practice questions and answers with rationale
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Exit HESI practice questions and answers with rationale 
1.ID: 5 
Enalapril maleate is prescribed for a hospitalized client. Which assessment does the nurse perform as a priority before administering the medication? 
A.	Correct 
 Checking the client's blood pressure 
B.	Checking the client's peripheral pulses 
C.	Checking the most recent potassium level 
D.	Checking the client's intake-and-output record for the last 24 
hours 	Incorrect	 
Rationale: Enalapril maleate is an angiotensin-conve...
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CHEM 210 EXAM 1 REVIEW QUESTIONS AND ANSWERS
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What phase change is taking place if DHsub = 26.1 kJ/mol is being used to calculate the heat involved in the process) 
 
1)Liquid to solid 
2) Gas to solid 
3) Solid to liquid 
4) Liquid to gas 
5) Solid to gas - ANSWER3 
 
Diethyl ether, (CH3CH2)2O , used as a solvent for extraction of organic compounds from aqueous solutions, has a high vapor pressure which makes it a potential fire hazard in laboratories in which it is used. How much energy is released when 10 g is cooled from 50.0°C to 10....
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ATI Med Surg Respiratory Detailed Answer Key
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1. A nurse is admitting a client who has active tuberculosis to a room on a medical-surgical unit. Which of the following 
room assignments should the nurse make for the client? 
A. A room with air exhaust directly to the outdoor environment 
Rationale: A room with air exhaust directly to the outside environment eliminates contamination of other 
client-care areas. This type of ventilation system is referred to as an airborne infection isolation 
room. 
B. A room with another nonsurgical client ...
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Sample Chemistry Placement Exam Questions and Answers 2024/2025
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Sample Chemistry Placement Exam Questions and Answers 2024/2025 
 
 
Answer: Oxygen 
Aluminum forms a +3 ion. In order for the formula unit Al₂X₃ to be electrically neutral, the element X must form a -2 ion. Nonmetals in the oxygen column do this. Of these elements, only oxygen is a diatomic gas. 
Aluminum reacts with element X to form a compound with the formula A₂X₃. Element X exists as diatomic molecules, X₂, in the gaseous state at normal temperature and pressure. Element 
X must b...
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