Rutherford model - Study guides, Class notes & Summaries
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DAT General Chemistry Exam Questions Correctly Answered.
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DAT General Chemistry Exam Questions Correctly Answered. 
 
 
Atomic Number - CORRECT ANSWER number of protons found in that atom; low number; (Z) 
 
Mass Number - CORRECT ANSWER Protons + Neutrons; high number; (A) 
 
Atomic Mass - CORRECT ANSWER relative mass of that atom compared to the mass of a carbon-12 atom (which is set at 12.00); measured in amu; 
 
1 amu = - CORRECT ANSWER 1.66x10^-24 
 
Atomic Weight - CORRECT ANSWER weight (g) of one mole (mol) of a given element (g/mol); the weighte...
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AQA 2023 AS CHEMISTRY 7404/2 Paper 2 Organic and Physical Chemistry questions and answers verified
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AQA 2023 AS CHEMISTRY 7404/2 Paper 2 Organic and 
Physical Chemistry questions and answers verified 
What is the equation linking mass moles and MR? 
Mass=moles * MR 
What is the definition of Ar (relative atomic mass)? 
The average mass of an atom of an element compared to the mass of one twelfth of 
carbon 12. 
What does Mr stand for? 
Relative molecular mass 
Define relative isotopic mass. 
The mass of an isotope of an element compared to the mass of one twelfth of the mass 
of carbon 12 
...
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AQA AS CHEMISTRY PAPER 1 INORGANIC AND PHYSICAL CHEMISTRY QUESTION PAPER 2021
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AQA AS CHEMISTRY PAPER 1 INORGANIC AND PHYSICAL 
CHEMISTRY QUESTION PAPER 2021 
 
 
 
 
 
 
AS 
CHEMISTRY 
Paper 1 Inorganic and Physical Chemistry 
 
Time allowed: 1 hour 30 minutes 
Materials 
For this paper you must have: 
•	the Periodic Table/Data Sheet, provided as an insert (enclosed) 
•	a ruler with millimetre measurements 
•	a scientific calculator, which you are expected to use where appropriate. 
 
Instructions 
•	Use black ink or black ball-point pen. 
•	Fill in the boxes...
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BioBeyond Unit 6: Chemical Basis of Life/ 50+ Qs & Ans/ 2024-2025.
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BioBeyond Unit 6: Chemical Basis of Life/ 50+ Qs & Ans/ . Terms like: 
 
Which of the following would be a good definition of the atom according to Democritus? - Answer: A piece of something that is as small as possible 
 
What was JJ Thomson's biggest difference from Democritus' model? - Answer: Atoms could be broken down into smaller pieces 
 
Which scenario below do you think is most likely for this experiment's results? Make a hypothesis. - Answer: any answer 
 
Why did this surprise Rut...
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CEM 141 MSU Exam 1 Solved Questions Correctly Answered!!
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The statement "If I add cold milk to hot coffee the temperature will decrease," is a? - Answer-Claim, 
always include an explanation and reasoning to the claim. 
Scientific Model - Answer-Models are used to make testable predictions 
How much is a picometer? - Answer-0.1 x 10^-12 meters 
Atomic Force Microscopy/ Scanning Tunneling Microscopy - Answer-Microscopes that now allows us to 
view atoms. 
Leaves are green in the summer because? - Answer-A plant's leaves are green in the summer becaus...
And that's how you make extra money
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AQA 2023 AS CHEMISTRY 7404/2 Paper 2 Organic and Physical Chemistry questions and answers verified
- Exam (elaborations) • 23 pages • 2024
- Available in package deal
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- $14.99
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AQA 2023 AS CHEMISTRY 7404/2 Paper 2 Organic and 
Physical Chemistry questions and answers verified 
What is the equation linking mass moles and MR? 
Mass=moles * MR 
What is the definition of Ar (relative atomic mass)? 
The average mass of an atom of an element compared to the mass of one twelfth of 
carbon 12. 
What does Mr stand for? 
Relative molecular mass 
Define relative isotopic mass. 
The mass of an isotope of an element compared to the mass of one twelfth of the mass 
of carbon 12 
...
-
DAT General Chemistry Exam Solution.
- Exam (elaborations) • 16 pages • 2024
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Available in package deal
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- $12.99
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Atomic Number - correct answer number of protons found in that atom; low number; (Z) 
 
Mass Number - correct answer Protons + Neutrons; high number; (A) 
 
Atomic Mass - correct answer relative mass of that atom compared to the mass of a carbon-12 atom (which is set at 12.00); measured in amu; 
 
1 amu = - correct answer 1.66x10^-24 
 
Atomic Weight - correct answer weight (g) of one mole (mol) of a given element (g/mol); the weighted average of all the masses (not the weights) of an element, w...
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Aleks Placement Test: Chemistry With 100% Correct Answers
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Aleks Placement Test: Chemistry With 100% 
Correct Answers 
Matter - answerAnything that has mass and takes up space; made of atoms 
Atoms - answerBasic unit of matter which cannot be broken down and contain mostly empty 
space; contains three parts: the electron, proton, and neutron 
Elements - answerA pure substance that contains only one type of atom 
Compound - answerTwo or more elements that are chemically bonded; includes ionic and 
covalent 
Mixture - answerTwo or more substances that are...
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chem 141 exam 2 MSU Questions with 100% Correct Answers | Verified
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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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Test Bank for Chemistry Atoms First 2nd Edition by Burdge latest complete A+ graded
- Exam (elaborations) • 72 pages • 2023
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Test Bank for Chemistry Atoms First 2nd Edition by Burdge latest complete A+ graded 
 
 
 
Chapter 2 Atoms and the Periodic Table (test bank) 
 
Student: 	 
 
1. 
 
The scientist who determined the magnitude of the electric charge on the electron was 
 
A.	John Dalton 
B.	Robert Millikan 
C.	J. J. Thomson 
D.	Henry Moseley 
E.	J. Burdge 
 
 
2. 
 
When J. J. Thomson discovered the electron, what physical property of the electron did he measure? 
 
 
A.	its charge, e 
B.	its chargetomass ...
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