Noble gases Study guides, Revision notes & Summaries
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CHMM Practice Exam 2023 with 100% correct answers
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When polonium (atomic mass 210 & atomic number 84) emits an alpha particle, which of the following decay products results? 
a. Bismuth (atomic mass 209 & atomic number 83) 
b. Lead (atomic mass 206 & atomic number 82) 
c. Thallium (atomic mass 204 & atomic number 81) 
d. Mercury (atomic mass 201 & atomic number 80) - correct answer b. Lead (atomic mass 206 & atomic number 82) 
 
Atomic Mass is: 
a. the number of protons in the nucleus 
b. the total number of protons & neutrons in the nucleus 
c...
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TTU Chem 1305 Final Exam Questions With All Correct Answers!!
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Periods - Answer-left to right-gradual change 
Groups - Answer-up and down-super similar 
Alkali Metals - Answer-Group 1: Very reactive with H2O 
Usually only form one bond 
Alkaline-Earth Metals - Answer-Group 2: More stable than group 1 
usually form 2 bonds 
Transition Metals - Answer-Group 3B-2B: Can make any number of bonds 
Bond like Group 1 & Group 2 
Halogens - Answer-Group 7: Can only make one bond 
Noble Gases - Answer-Group 8: Nonreactive and can't make bonds 
Atomic Status - Answer-...
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ASVAB Test Practice (Geo), Picat - mechanical Comprehension, Carlos Mechanical Comprehension, ASVAB, Part 8- Shop Information, Automotive Information, ASVAB EI, Electronic Information 100% Solved
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ASVAB Test Practice (Geo), Picat - 
mechanical Comprehension, Carlos 
Mechanical Comprehension, asvab, 
Shop Information, ASVAB, Shop 
Information, Part 8- Shop 
Information, Automotive Information, 
ASVAB EI, Electronic Information, 
Electronic information 100% Solved 
it was in a stream for a long time - answer Which of these is the best explanation of how a 
smooth round stone became smooth? 
Regeneration - answer When a lobster grows a claw to replace the one that was lost, the 
proc...
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HAZMAT TECH 1 (COMPLETE) QUESTIONS AND ANSWERS 100% PASS
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HAZMAT TECH 1 (COMPLETE) QUESTIONS 
AND ANSWERS 100% PASS 
Cryogenic Liquid Cargo Tank - Correct Answer ️️ -Capacity: 
o 5,000 to 14,000 gallons. 
Pressure Range: 
o Designed for 23.5 psi but no more than 500 psi 
Used to transport: 
o Cryogenic materials. 
Other/Characteristics: 
o Tank within a tank (double shelled). 
Tank = Inner Vessel 
Jacket = Outer Shell (insulation) 
o Ends are "dished" 
o Control valves are located in a compartment on theback or on the side just forward 
the trail...
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HESI A2 CHEMISTRY EXAM 2024 WITH 100% CORRECT ANSWERS
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Mixture with uniform density throughout and no distinguishable coponents.Answer - Homogeneous Mixture 
 
Mixture in which the components are readily distinguished.Answer - Heterogeneous Mixture 
 
A change in which the checmical composition of a substance remains the same.Answer - Physical Change 
 
A change in which the chemical bonds are broken and reformed to create a new and different substance.Answer - Chemical Change 
 
The simplest of substances and is represented by a specific letter...
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NACE 1(verified answers) graded A+ already passed !2023
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NACE 1(verified answers) graded A+ already passed !2023Anode 
The electrode of an electrochemical cell at which oxidation occurs? 
 
 
 
Anode 
Electrons flow away from the ______ in the external circuit. 
 
 
 
Anode 
Corrosion usually occurs and metal ions enter the solution at the ______? 
 
 
 
Cathode 
The electrode of an electrochemical cell at which reduction is the principal reaction? 
 
 
 
Cathode 
Electrons flow towards the ______ of an electrochemical cell. 
 
 
 
Cathodic Protection...
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Real asvab test!!! Updated Spring 2023.
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1.	Proteins	necessary for body's mainte- nance, growth, and repair (GS) 2.	Carbohydrates and Fats	used primarily for energy (GS) 3.	212	Water boils at degrees fahrenheit (GS) 4.	100	Water boils at 	degrees Cel- sius (GS) 5.	373	Water boils at 	Ks on the Kelvin scale (GS) 6.	Veins	carry blood from capillaries toward the heart. (GS) 7.	Arteries	carry blood away from the heart. (GS) 8.	Ventricles	lower chamber of the heart (GS) 9.	Red Blood Cells	component of blood which car- ri...
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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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Radon Measurement Questions with complete solution 2023/2024
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Radon Measurement Questions with complete solution 2023/2024What are the 5 properties of Radon? - correct answer - Radioactive 
- An inert gas (not chemically reactive, noble gas) 
- Naturally occurring 
- Denser than other gases 
- Odorless, colorless, tasteless 
 
What are the basic parts of an Atom - correct answer - Nucleus (protons=+ and Neutrons=neutral) 
- Orbital electrons 
 
What is atomic mass - correct answer Sum of protons and neutrons 
 
Atomic Number - correct answer number of pro...
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PICAT QUESTIONS AND ANSWERS 100% PASS
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PICAT QUESTIONS AND ANSWERS 100% PASS regeneration in man is limited to .. healing of wounds 
satellite any astronomical body that revolves around a larger body 
in chemistry, to be classified as an organic substance, it must contain carbon atoms 
according to their locations on the periodic table, Argon(AR) & Neon(NE) are noble gases 
which of these reduces friction? ball bearings 
When a lobster grows a claw to replace one that was lost, the process is called? regeneration 
which element does ...
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