Sub orbitals Study guides, Revision notes & Summaries
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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
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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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A Level Physical Chemistry AQA questions and answers 100% verified.
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A Level Physical Chemistry AQA questions and answers 100% verified. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1 - ANS.relative mass of a proton 
 
1 - ANS.relative mass of a neutron 
 
1/1840 - ANS.relative mass of an electron 
 
+1 - ANS.relative charge of a proton 
 
0 - ANS.relative charge of a neutron 
 
-1 - ANS.Relative charge of an electron 
 
strong nuclear force - ANS.How is the nucleus held together 
 
nuclear force - ANS.is the nuclear force or electrostatic force stronge...
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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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- £12.12
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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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CEM 141 MSU Exam 2 Questions with 100% Correct Answers | Verified
- Exam (elaborations) • 12 pages • 2024
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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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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
-
- £10.50
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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 2023 AS CHEMISTRY 7404/2 Paper 2 Organic and Physical Chemistry questions and answers verified
- Exam (elaborations) • 23 pages • 2024
-
- £12.52
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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 
...
-
AQA AS Physical Chemistry 2024 exam questions with 100% correct answers
- Exam (elaborations) • 29 pages • 2024
- Available in package deal
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- £11.31
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AQA AS Physical Chemistry 2024 exam 
questions with 100% correct answers 
Who described atoms as solid spheres that make up different elements and when? - 
ANSWERS John Dalton in the 19th century 
Who suggested that atoms of a particular element had the same mass and atoms of 
different elements had different masses and when? - ANSWERS John Dalton in 1803 
Who discovered the electron and when? - ANSWERS JJ Thomson, 1897 discovered 
electrons proving atoms weren't indivisible or solid. 
New m...
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AQA AS Physical Chemistry 2024 Exam Questions And Answers
- Exam (elaborations) • 29 pages • 2024
- Available in package deal
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- £7.67
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AQA AS Physical Chemistry 2024 Exam Questions And Answers 
 
Who described atoms as solid spheres that make up different elements and when? - ANSWER- John Dalton in the 19th century 
 
Who suggested that atoms of a particular element had the same mass and atoms of different elements had different masses and when? - ANSWER- John Dalton in 1803 
 
Who discovered the electron and when? - ANSWER- JJ Thomson, 1897 discovered electrons proving atoms weren't indivisible or solid. 
 
New model named pl...
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AQA AS Physical Chemistry 2024 exam questions with 100% correct answers
- Exam (elaborations) • 29 pages • 2024
- Available in package deal
-
- £11.31
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AQA AS Physical Chemistry 2024 exam 
questions with 100% correct answers 
Who described atoms as solid spheres that make up different elements and when? - 
ANSWERS John Dalton in the 19th century 
Who suggested that atoms of a particular element had the same mass and atoms of 
different elements had different masses and when? - ANSWERS John Dalton in 1803 
Who discovered the electron and when? - ANSWERS JJ Thomson, 1897 discovered 
electrons proving atoms weren't indivisible or solid. 
New m...
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Inorganic AS AQA Chemistry Exam With 100% Correct Answers 2024
- Exam (elaborations) • 15 pages • 2024
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- £10.09
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Inorganic AS AQA Chemistry Exam With 
100% Correct Answers 2024 
What is a d-block (or f-block) element? - answerAn element that forms one or more stable 
ions with a partially filled d (or f) orbital 
What is an s-block (or p-block) element? - answerAn element with its outer electrons in the 
s (or p) orbitals 
What is the scientific name for the rows on the Periodic Table? - answerPeriods 
What is the scientific name for the columns on the Periodic Table? - answerGroups 
What does the group nu...
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