Atomic level Study guides, Class notes & Summaries
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AQA AS CHEMISTRY 7404/1 Paper 1 Inorganic and Physical Chemistry Version: 1.0 Final *JUN237404101* IB/M/Jun23/E7 7404/1/ QUESTION PAPER & MARKING SCHEME/ [MERGED] Mark scheme June 2023
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AQA 
AS 
CHEMISTRY 
7404/1 
Paper 1 Inorganic and Physical Chemistry 
Version: 1.0 Final 
*JUN* 
IB/M/Jun23/E7 7404/1 
For Examiner’s Use 
Question Mark 
1 
2 
3 
4 
5 
6 
7 
8 
Section B 
TOTAL 
Tuesday 16 May 2023 Morning 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. 
Instructi...
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OCR 2023 Chemistry A H032/02: Depth in chemistry AS Level Question Paper & Mark Scheme (Merged)
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OCR 
2023 
Chemistry A 
H032/02: Depth in chemistry 
AS Level 
Question Paper & Mark Scheme 
(Merged) 
Please Review and leave your Rating 
stars…. 
Please write clearly in black ink. Do not write in the barcodes. 
Centre number Candidate number 
First name(s) 
Last name 
Oxford Cambridge and RSA 
Tuesday 23 May 2023 – Morning 
AS Level Chemistry A 
H032/02 Depth in chemistry 
Time allowed: 1 hour 30 minutes 
INSTRUCTIONS 
• Use black ink. You can use an HB pencil, but only for graphs and...
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Test Bank For Dental Radiography Principles and Techniques 6th Edition, Joen Iannucci, Laura Howerton Complete Guide Version 2023.
- Exam (elaborations) • 339 pages • 2023
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Test Bank For Dental Radiography Principles and Techniques 6th Edition, Joen Iannucci, Laura Howerton Complete Guide Version 2023. 
 Radiation Physics 
Iannucci: Dental Radiography, 6th Edition 
MULTIPLE CHOICE 
1. The fundamental unit of matter is the 
a. proton. 
b. neutron. 
c. electron. 
d. atom. 
ANS: D 
A proton is a subatomic particle; the fundamental unit of matter is the atom. A neutron is 
a subatomic particle; the fundamental unit of matter is the atom. An electron is a 
subatomic par...
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Test Bank for Seeleys Anatomy and Physiology 11th edition by vanputte
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Test Bank for Seeleys Anatomy and Physiology 11th edition by vanputte 
Medical Technology (Notre Dame of Dadiangas University) 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
StuDocu is not sponsored or endorsed by any college or university 
Downloaded by John Wachira () 
 
 

 
 
Chapter 02 - The Chemical Basis of Life 
 
Chapter 02 The Chemical Basis of Life 
 
 
 
 
 
 
Multiple Choice Questions 
 
 
1.	The amount of matter in an object is its 
A....
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BONTRAGER'S TEXTBOOK OF RADIOGRAPHIC POSITIONING AND RELATED ANATOMY 10TH EDITION LAMPIGNANO TEST BANK
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BONTRAGER'S TEXTBOOK OF RADIOGRAPHIC POSITIONING AND RELATED 
ANATOMY 10TH EDITION LAMPIGNANO TEST BANK 
 
 
Chapter 01: Terminology, Positioning, and Imaging Principles 
Lampignano: Bontrager’s Textbook of Radiographic Positioning and Related Anatomy, 10th Edition 
 
MULTIPLE CHOICE 
1.	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 
 
2.	What type of tissue binds together and supports the various...
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CLEP Chemistry Latest Update Graded A
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CLEP Chemistry Latest Update Graded A John Dalton Proposed that matter is composed of atoms; these atoms have different identities called elements, which combine to form compounds; measured masses of reactants and products. 
J.J. Thompson Observed deflection of particles in a cathode ray tube; proposed that atoms are composed of positive and negative charges; developed the plum pudding model of the atom 
Robert Millikan Calculated the charge-to-mass ratio of electrons using oil drops falling in ...
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LRA 211 Final Review Study Guide (223/2024) Graded A+
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LRA 211 Final Review Study Guide (223/2024) Graded A+ 
The earliest atomic theory based on an arrangement similar to the solar system is attributed to Rutherford. 
The three fundamental particles of the atom are the neutron, electron, and proton. 
The atomic nucleus contains protons and neutrons. 
The component of the nucleus that has a positive charge and mass is the proton. 
The electron shell closest to the nucleus is lettered "K". 
Which of the following is not part of the electromagnetic ...
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OCR 2023 Chemistry A H432/03: Unified chemistry A Level Question Paper & Mark Scheme (Merged)
- Exam (elaborations) • 58 pages • 2024
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OCR 2023 
Chemistry A 
H432/03: Unified chemistry 
A Level 
Question Paper & Mark Scheme 
(Merged) 
Please Review and leave your Rating 
stars…. 
Please write clearly in black ink. Do not write in the barcodes. 
Centre number Candidate number 
First name(s) 
Last name 
Oxford Cambridge and RSA 
Friday 23 June 2023 – Morning 
A Level Chemistry A 
H432/03 Unified chemistry 
Time allowed: 1 hour 30 minutes 
INSTRUCTIONS 
• Use black ink. You can use an HB pencil, but only for graphs and dia...
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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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EDEXCEL A LEVEL CHEMISTRY QUESTION PAPER 1 JUNE 2023 .
- Exam (elaborations) • 29 pages • 2023
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EDEXCEL A LEVEL 
CHEMISTRY QUESTION 
PAPER 1 JUNE 2023 . 
Centre Number Candidate Number 
*P71912A0128* 
Turn over 
Total Marks 
Candidate surname Other names 
Please check the examination details below before entering your candidate information 
Paper 
reference 
 
P71912A 
©2023 Pearson Education Ltd. 
N:1/1/1/1/1/1/1/ 
Instructions 
• Use black ink or ball‑point pen. 
• If pencil is used for diagrams/sketches/graphs it must be dark (HB or B). 
• Fill in the boxes at the top of...
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