Atomic radii Study guides, Class notes & Summaries
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CHEM 120 Week 2 Virtual Lab; Periodic Table of Elements Part I,Part II
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Objectives 
•	Describe the structure and organization of the periodic table 
•	Classify elements of a family based on their location in the periodic table 
•	Distinguish metals from other element classes based on typical characteristics 
•	Use the flame color test to identify metals based on their position in the periodic table 
•	Explain valence electrons and oxidation state of a main group element to its position in the periodic table 
•	Describe the main trends among groups and pe...
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CHEM 120 Week 2 Virtual Lab; Periodic Table of Elements Part I, Part II.
- Other • 4 pages • 2023
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Learning Objectives: 
•	Describe the structure and organization of the periodic table 
•	Classify elements of a family based on their location in the periodic table 
•	Distinguish metals from other element classes based on typical characteristics 
•	Use the flame color test to identify metals based on their position in the periodic table 
•	Explain valence electrons and oxidation state of a main group element to its position in the periodic table 
•	Describe the main trends among gr...
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CHEM 219 Module 2 problem set Questions with Verified Correct Answers
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CHEM 219 Module 2 problem set Questions with Verified Correct Answers 
 
The atomic radii of zirconium (Zr) and hafnium (Hf) are nearly the same despite the fact that hafnium has 32 more protons and electrons. Which of the following bests explains this phenomenon? - ANS - Hafnium contains electrons in the 4f orbitals. These 4f electrons do not effectively shield the higher nuclear charge and thus Zeff is higher than might be otherwise expected. 
 
Which of the following is true concerning succ...
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TEAS ATI 7 Exam Questions and Answers 100% Pass
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TEAS ATI 7 Exam Questions and 
Answers 100% Pass 
How many valence electrons does an atom have if the atom has an atomic number of 
10? -Answer-8 valence e- because it ends with 2s2 2p6 
How many valence electrons will an atom have if the atom is located in Group VIA of 
the periodic table? -Answer-VI=6 
An atom located in which of the following groups on the periodic table of elements will 
most likely gain electrons from another atom in a chemical reaction? -Answer-The 
higher the valence elec...
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Module 3 Model Questions And Answers
- Exam (elaborations) • 4 pages • 2023
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Module 3 Model Questions And Answers 
State one benefit of adding chlorine to water (1) - Answer-Kills germs 
Suggest one possible hazard of adding chlorine to drinking water (1) - Answer-It is toxic 
Explain the decrease in the atomic radii across the period from Na to Cl (3) - Answer-1) 
nuclear charge increases 
2) electron shielding remains the same 
3) greater attraction to nucleus 
Describe and explain the trend, down the group, in the reactivity of the Group 2 
elements with water (5) -...
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chem 141 exam 2 MSU Questions with 100% Correct Answers | Verified
- Exam (elaborations) • 5 pages • 2024
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Describe the relationship between the frequency, wavelength, and velocity (speed) of a wave. - AnswerThe more times the wave is passing through a point in space = a higher frequency, the higher frequency 
creates a smaller wavelength, which is why the smallest wave is a gamma wave, it has the highest 
frequency and the shortest distance between waves, the velocity can be measured in m/s and is 
composed of frequency and wavelength 
Calculate any one (frequency, wavelength, or velocity) given the...
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Module 3 Model Questions And Answers
- Exam (elaborations) • 4 pages • 2023
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- $10.99
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Module 3 Model Questions And Answers 
State one benefit of adding chlorine to water (1) - Answer-Kills germs 
Suggest one possible hazard of adding chlorine to drinking water (1) - Answer-It is toxic 
Explain the decrease in the atomic radii across the period from Na to Cl (3) - Answer-1) 
nuclear charge increases 
2) electron shielding remains the same 
3) greater attraction to nucleus 
Describe and explain the trend, down the group, in the reactivity of the Group 2 
elements with water (5) -...
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MTTC integrated Sciences 094 physical sciences Exam Questions With Correct Answers
- Exam (elaborations) • 11 pages • 2024
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Plasma - Answer ionized gas that has some electrons that are described as free because they are not bound to an atom or molecule 
 
specific gravity - Answer measurement of the density of substances in a liquid compared to water 
 
atomic theory - Answer a theory that states that all matter is composed of tiny particles called atoms. 
 
John Dalton - Answer developed modern atomic theory 
 
negative ion - Answer anion, gains electrons 
 
positive ion - Answer cation; loses electrons 
 
ionic bon...
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ACS GEN CHEM 1 FINAL Exam 166 Questions with Verified Answers,100% CORRECT
- Exam (elaborations) • 14 pages • 2024
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ACS GEN CHEM 1 FINAL Exam 166 Questions with Verified Answers 
 
The physical material of the universe. It is anything that has mass and occupies space. - CORRECT ANSWER Matter 
 
is made up of relatively few elements. - CORRECT ANSWER Matter 
 
The smallest building block of matter. Smallest particle that retains the chemical property of the element (O, He, S). - CORRECT ANSWER Atom 
 
Each _______ is made of the same kind of atom - CORRECT ANSWER Element 
 
Combination of atoms held together i...
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MATE 210 Chapter 9 Study Cards Correct 100%
- Exam (elaborations) • 1 pages • 2024
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Solubility Limit - ANSWERThe maximum concentration of solute that may be added without forming a new phase. 
 
Components and Phases - ANSWERComponents: the elements or compounds which are present in the alloy 
(e.g., Al and Cu) 
Phases: the physically and/or chemically distinct material regions that form (e.g., α and β). 
 
Simple system - ANSWERBoth have the same crystal structure (FCC) and have similar electronegativities and atomic radii suggesting high 
mutual solubility. 
 
Isotherm - AN...
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