Atomic radius Study guides, Study notes & Summaries
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CEM 142 EXAM 2 LATEST UPDATE GRADED A+
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CEM 142 EXAM 2 LATEST UPDATE 
 
GRADED A+ 
 
**ACID = ELECTRON PAIR ACCEPTOR 
 
Acid= electrophile 
 
**BASE = ELECTRON PAIR DONOR 
base= nucleophile 
 
strong acid fully ionizes in solution/completely dissociates 
 
weak acid does not fully ionize or dissociate into ions 
 
** negatively charged ion ---> wants to loose 1 electron 
 
can tell if a solution is ionized when... a fully ionized solution will conduct more electricity 
than a non fully ionized solution 
 
strength of acid depend...
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UNE CHEM 1011 General Chemistry II Midterm Fall Questions With Verified & Complete Solutions 2023
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UNE CHEM 1011 General Chemistry II Midterm Fall Questions With Verified & Complete Solutions 2023 
 
Intermolecular forces Correct Answer: the various forces of attraction that may exist between the atoms and molecules of a substance due to electrostatic phenomena 
 
Kinetic energies Correct Answer: the energy required to overcome the attractive forces and thus increase the distance between particles 
 
Intramolecular forces Correct Answer: within the molecule that keep the molecule together 
...
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CEM 141 MSU Exam 2 Questions and Answers Already Passed
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CEM 141 MSU Exam 2 Questions and 
 
Answers Already Passed 
 
Which reaction requires the most energy? 
 
A. N(g) → N+(g) + e - 
B. N+(g) → N2+(g) + e - 
C. F(g) → F+(g) + e - 
D. F+(g) → F2+(g) + e - D. F+(g) → F2+(g) + e - 
 
Fluorine has a higher effective nuclear charge than Nitrogen - so it is harder to remove an 
electron (takes more energy because the electron is more strongly attracted by the nucleus). 
Effective nuclear charge is the same for F and F+ because the number of pro...
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OCR A Level Chemistry Paper 1 (H432/01) Periodic table, Elements and physical chemistry Mark Scheme June 2023
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OCR A Level Chemistry Paper 1 (H432/01) Periodic table, Elements and physical chemistry Mark Scheme June 2023. FIRST CHECK THE ANSWER ON ANSWER LINE 
If answer = –1872 award 2 marks 
----------------------------------------------------------------- 
H lattice = 
2(+ 296) – 965 – 503 – 180 + 2(–107)– 602 
H lattice = –1872 (kJ mol–1 
) 
2 AO2.2 
2 
ALLOW for 1 mark +1872 (wrong sign on answer) 
Common errors for 1 mark 
–3056 (–296 x 2 instead of 296 x2) 
–2168 (2...
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ALEKS PLACEMENT TEST: CHEMISTRY WITH COMPLETE SOLUTIONS 100% 2023/2024
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ALEKS PLACEMENT TEST: CHEMISTRY WITH COMPLETE SOLUTIONS 100% 2023/2024 
Matter 
Anything that has mass and takes up space; made of atoms 
 
 
Atoms 
Basic unit of matter which cannot be broken down and contain mostly empty space; contains three parts: the electron, proton, and neutron 
 
 
Elements 
A pure substance that contains only one type of atom 
 
 
Compound 
Two or more elements that are chemically bonded; includes ionic and covalent 
 
 
Mixture 
Two or more substances that are together...
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Radiographic Positioning and Related Anatomy 9th Edition Lampignano Test Bank
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1.	What type of tissue binds together and supports the various structures of the body? 
a.	Epithelial 
b.	Connective 
c.	Muscular 
d.	Nervous 
ANS: B	REF: 3 
 
2.	The lowest level of structural organization in the human body is the	level. 
a.	molecular 
b.	cellular 
c.	chemical 
d.	atomic 
ANS: C	REF: 3 
 
3.	What type of tissue covers internal and external surfaces of the body? 
a.	Muscular 
b.	Connective 
c.	Nervous 
d.	Epithelial	ANS: D	REF: 3 
4.	How many individual body systems comprise the...
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EAPS 105 Exam 3 Study Guide Questions & Answers 2024
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EAPS 105 Exam 3 Study Guide Questions & Answers 2024 
 
 
The components of a Primary Atmosphere are: - ANSWER-Hydrogen & Helium 
 
Factors that influence a planet's Escape Velocity are: - ANSWER-Mass of Planet: The greater the mass the higher velocity needed 
 
Radius of Planet: The larger the radius, the lower velocity is needed 
 
Factors that influence the velocity of an Atmospheric Gas Molecule: - ANSWER-Temperature: The higher the temperature, the faster it moves 
 
Atomic Weight: The lig...
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CEM 141 MSU Exam 2 Questions with 100% Correct Answers | Verified
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Lights acts as what? - Answer-Particle and wave. 
Wavelength - Answer-The distance (m) of waves from peak to peak. Short: x-ray (red), long: infrared 
(blue) 
Short - higher energy 
Long - lower energy 
Frequency (V) - Answer-The number of wavefronts per second. Highest: x-ray 
Velocity of Light - Answer-C = 3.00 X 10^8 
= wavelength X frequency 
Amplitude - Answer-The intensity, height of peaks of waves. Highest: blue light 
Energy of Wave (J) - Answer-Increases as frequency increases and as wa...
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CHEM133 Week 13 Lesson 6 Quiz (All Correct)
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1.	Question: We discussed the different types of intermolecular forces in this lesson. Which is the strongest in CF2H2 ? 
2.	Question: Water is such a special molecule with some really unique properties. Why is it so unusual? 
3.	Question: We discussed the different types of intermolecular forces in this lesson, which can affect the boiling point of a substance. Which of these has the highest boiling point? 
4.	Question: If you have 2.00 x 103 J of energy, what mass (g) of solid butane (C4H10O) ...
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AQA Chemistry As Level Paper 1 Questions & Correct Answers/ Graded A
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State the electron rules 
: Lowest energy filled first (3d>4s) 
Line up parallel 
Single until forced to pair 
Electronegativity 
: The ability of an atom to attract electrons within a covalent bond 
RAM (relative atomic mass) 
: Average mass of one atom compared to 1/12th the mass of a c-12 atom 
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Ionisation energy 
: The energy required to remove one mole of electrons from each of one mole of 
gaseous atoms to form one mole of positive gaseous ions 
2 
(Endothermic) 
Trends of Ionisat...
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