Chemistry halogens Study guides, Revision notes & Summaries
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Download this complete,fully solved and updated actual exam for CCEA AS1 Chemistry - Halogens
- Exam (elaborations) • 9 pages • 2024
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What are the 4 halogens we study? 
Fluorine, chlorine, bromine and iodine 
 
 
 
Colour and state of fluorine at r.t.p 
Yellow gas 
 
 
 
 
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Colour and state of chlorine at r.t.p 
Yellow-green gas 
 
 
 
Colour and state of bromine at r.t.p 
Red-brown liquid, with a red-brown vapour forming when heated 
 
 
 
Colour and state of iodine at r.t.p 
Grey-black solid, with a pur...
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Topic 2 - Inorganic chemistry Exam With 100% Correct Answers 2024
- Exam (elaborations) • 6 pages • 2024
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Topic 2 - Inorganic chemistry Exam With 
100% Correct Answers 2024 
What is the trend in atomic radius down group 7 
Increases because as you go down the group, there are more shells so more shielding 
so a weaker attraction between the nucleus and the outer electrons 
is the ionic radius bigger compared to the atomic radius in group 7 
Yes because the halide ion has the same number of protons but more electrons than 
the halogen atom so the attraction is weaker 
What is the trend in boiling poi...
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HESI A2 CHEMISTRY 2023- 2024 ALL 25 QUESTIONS WITH ANSWERS AND RATIONALES LATEST UPDATES 100% VERIFIED ANSWERS WITH EXPLANATION.
- Exam (elaborations) • 14 pages • 2023
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HESI A2 CHEMISTRY 2023- 
2024 ALL 25 QUESTIONS 
WITH ANSWERS AND 
RATIONALES LATEST UPDATES 100% 
VERIFIED ANSWERS WITH EXPLANATION. 
1. Which of the following substances allows for the fastest diffusion? 
A. gas 
B. solid 
C. liquid 
D. plasma 
Explanation: Diffusion is fastest through gases. The next fastest medium for diffusion is liquid, 
followed by plasma, and then solids. In chemistry, diffusion is defined as the movement of 
matter by the random motions of molecules. In a gas or...
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Topic 2 - Inorganic chemistry Exam With 100% Correct Answers 2024
- Exam (elaborations) • 6 pages • 2024
- Available in package deal
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Topic 2 - Inorganic chemistry Exam With 
100% Correct Answers 2024 
What is the trend in atomic radius down group 7 
Increases because as you go down the group, there are more shells so more shielding 
so a weaker attraction between the nucleus and the outer electrons 
is the ionic radius bigger compared to the atomic radius in group 7 
Yes because the halide ion has the same number of protons but more electrons than 
the halogen atom so the attraction is weaker 
What is the trend in boiling poi...
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HESI A2 Chemistry Questions with Answers and Explanations UPDATED
- Exam (elaborations) • 15 pages • 2023
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HESI A2 Chemistry Questions with 
Answers and Explanations 
UPDATED 
1. Which of the following substances allows for the fastest diffusion? 
A. gas 
B. solid 
C. liquid 
D. plasma 
Explanation: Diffusion is fastest through gases. The next fastest medium for diffusion is liquid, 
followed by plasma, and then solids. In chemistry, diffusion is defined as the movement of 
matter by the random motions of molecules. In a gas or a liquid, the molecules are in perpetual 
motion. For instance, in a quan...
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AAMI Intro to Chemistry Midterm Review 2024 Questions and Answers 100% Pass
- Exam (elaborations) • 5 pages • 2024
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AAMI Intro to Chemistry Midterm Review 2024 
Questions and Answers 100% Pass 
The 5 chemical properties of matter - Correct Answer ️️ -reactivity, combustibility, 
valence, combining requirements, stability 
The atomic mass is equal to the sum of the... - Correct Answer ️️ -protons and 
neutrons 
Hydrogen has no... - Correct Answer ️️ -neutrons 
The outer orbit (last shell) requires how many valence electrons? - Correct Answer ️️ - 
8 
The 1st shell must have how many electrons t...
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INORGANIC PHARMACEUTICAL CHEMISTRY Final Exam 2023-2024 Version
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INORGANIC PHARMACEUTICAL CHEMISTRY Final 
Exam 2023-2024 Version 
 
1.	What element is also known as dephlogisticated air? 
A.	Nitrogen 
B.	Oxygen 
C.	Hydrogen 
D.	Sulfur 
E.	Helium 
 
2.	What is the predominant ion in the extracellular fluid? 
A.	Na+1 
B.	K+1 
C.	Mg+2 
D.	Ca+2 
E.	Mn+2 
 
3.	What is the halogen used as water purifier? 
 
A.	F 
B.	Cl 
C.	Br 
D.	I 
E.	At 
 
4.	Which of the following substances is employed in the treatment of mental disorder? 
A.	MgSO4 
B.	K2Cr2O7 
C.	Li2CO3 
D.	N...
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HESI A2 CHEMISTRY-CHRISJAY FILES (1) (1)
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HESI A2 ENTRANCEEXAM 
FOR 
CHAMBERLAINCOLLGE 
OF NURSING 
2023 QUESTIONS WITH 
ANSWERS 
CHEMISTRY 
HESI A2 CHEMISTRY V1/V2 FILE 
1. If a Hydrogen isin a compound, what would its oxidation number be? 
+1 
2. What isthe oxidation number of any simple ion? 
+1 or -1 depending on the charge of the ion 
3. How many kilograms are in a pound? 
0. kg 
4. What is the temperature for freezing point of water in Celsius? 
0 degrees Celsius (32°F for Fahrenheit) 
5. What is the conversion of Celsius to Fah...
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OCR AS LEVEL CHEMISTRY B (SALTERS) H033/01 FOUNDATIONS OF CHEMISTRY 2024 GENUINE EXAM PREDICTION RATED 5 STAR.100% COMPLETE WITH ACCURATE ANSWERS. CHECK THE LAST PAGE FOR ANSWERS
- Exam (elaborations) • 29 pages • 2023
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- £14.34
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OCR AS LEVEL CHEMISTRY B (SALTERS) H033/01 FOUNDATIONS OF CHEMISTRY 
 
2024 GENUINE EXAM PREDICTION RATED 5 STAR.100% COMPLETE WITH ACCURATE ANSWERS. 
 
CHECK THE LAST PAGE FOR ANSWERS 
1	How many protons are in a hydroxide ion, OH−? 
 
A	1 
 
B	8 
 
C	9 
 
D	10 
 
Your answer	[1] 
 
 
2	Which of the following is the correct electronic configuration for a potassium ion, K+ ? 
 
A	1s22s22p63s1 
 
B	1s22s22p63s23p6 
 
C	1s22s22p63s23p64s1 
 
D	1s22s22p63s23p64s2 
 
Your answer	[1] 
 
 
3	Which p...
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Inorganic AS AQA Chemistry Exam With 100% Correct Answers 2024
- Exam (elaborations) • 15 pages • 2024
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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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