№ files_lp_4_process_2_46301
File format: docx
Character count: 15681
File size: 140 KB
Explanation of periodic trends in atomic and ionic sizes, ionization energies, and electron affinities based on electron configurations and position in the periodic table.
Year:
2026
Region:
International
Subject:
Chemistry, Periodic Table
Document type:
Educational Material
Institution:
Open-source scientific educational resource
Author:
Unspecified
Target audience:
Students and educators in chemistry
Period covered:
Modern understanding of atomic structure
Key concepts:
Covalent radius, ionic radius, ionization energy, electron affinity, periodic trends
Data examples:
Halogen group elements, comparison of atomic and ionic radii
Price: 8 / 10 USD
The file will be delivered to the email address provided at checkout within 12 hours.
The file will be delivered to the email address provided at checkout within 12 hours.
Don’t have cryptocurrency yet?
You can still complete your purchase in a few minutes:- Buy Crypto in a trusted app (Coinbase, Kraken, Cash App or any similar service).
- In the app, tap Send.
- Select network, paste our wallet address.
- Send the exact amount shown above.
The final amount may vary slightly depending on the payment method.
The file will be sent to the email address provided at checkout within 24 hours.
The product description is provided for reference. Actual content and formatting may differ slightly.
Year:
2026
Region / city:
Prague, Rende
Subject:
Gas transport properties, Ionic liquids, PolyActive™ membranes
Document type:
Supplementary Information
Institution:
University of Chemistry and Technology Prague, Institute on Membrane Technology (CNR-ITM), Czech Academy of Sciences
Author:
Martina Klepić, Alessio Fuoco, Marcello Monteleone, Elisa Esposito, Karel Friess, Pavel Izák, Johannes C. Jansen
Target audience:
Researchers in materials science, chemical engineering, membrane technology
Period of validity:
N/A
Approval date:
N/A
Modification date:
N/A
Year:
N/A
Region / City:
N/A
Subject:
Chemistry
Document Type:
Worksheet
Organization / Institution:
N/A
Author:
N/A
Target Audience:
Students
Validity Period:
N/A
Approval Date:
N/A
Date of Changes:
N/A
Subject:
Chemistry
Course:
AP Chemistry
Topic:
Net Ionic Equations
Subtopics:
Dissociation; Double Replacement; Precipitation; Redox; Acid-Base Reactions; Buffers; Titrations; Galvanic Cells; Combustion Reactions
Chemical Species Mentioned:
HCl; HBr; HI; HClO4; H2SO4; HNO3; NH3; H2NNH2; HCOOH; SiH4; CH3NH2; Na2CO3; Ca(NO3)2; Ba(NO3)2; CuSO4; KC6H7O2; HC6H7O2; HC2H3O2; NaC2H3O2; H2O2; Na2S2O3; Na2S4O6; I2; HNO2; CaCl2; AgI; AgBr; H2SO3; Ba(OH)2; C2H5NH2; HOCl; NaOH; S8; SO2
Reaction Types Covered:
Dissociation; Precipitation; Single Replacement; Redox; Acid-Base Neutralization; Buffer Reactions
Includes:
General formulas; Net ionic formats; Practice problems; Titration scenarios; Solubility and dissociation rules
Temperature Reference:
25°C
Year:
2023
Region / city:
Not specified
Topic:
Ionic bonding and structure
Document type:
Educational resource
Institution:
Johnstone’s series
Author:
Not specified
Target audience:
Students (ages 14-18)
Duration:
15–30 minutes
Note:
Learning objectives
Date approved:
Not specified
Date of revision:
Not specified
Description:
This document is an educational worksheet designed to help students develop a deeper understanding of ionic structures using Johnstone’s triangle approach, focusing on macroscopic, symbolic, and sub-microscopic levels.
Year:
2023
Region / City:
Yavatmal, Nashik, Vellore
Field:
Chemistry
Document Type:
Research Paper
Institution:
Amolakchand Mahavidyalaya, K K Wagh College of Pharmacy, VIT University
Author(s):
Nadeem Ahmad Ayyub, Sainath Babaji Aher, Pundlik Rambhau Bhagat, Prashant Narayan Muskawara
Target Audience:
Researchers in Chemistry, Students in Advanced Sciences
Period of Validity:
N/A
Approval Date:
N/A
Modification Date:
N/A
Subject:
Chemistry
Unit:
Chemical Names and Formulas
Topic:
Ionic Compounds
Document Type:
Answer Key
Educational Level:
Secondary Education
Assignment Type:
Homework
Focus:
Nomenclature of Ionic Compounds
Content:
Naming Ionic Compounds and Determining Roman Numerals for Cations
Subject:
Chemistry
Topic:
Chemical bonding and atomic structure
Document type:
Educational workbook
Educational level:
Secondary education
Content focus:
Ions, isotopes, atomic models, ionic bonding, giant ionic lattices
Includes:
Explanatory text, worked examples, practice questions, calculation tasks, diagram instructions
Chemical elements referenced:
Lithium, Sodium, Potassium, Magnesium, Aluminium, Oxygen, Fluorine, Chlorine, Nitrogen, Boron, Beryllium, Sulphur, Calcium, Rubidium
Assessment component:
Exam-style questions and model answers
DOI:
10.34854/ICPAF.2023.50.2023.1.1.039
Year:
2023
Institution:
Ioffe Institute
City:
Saint Petersburg
Country:
Russia
Facility:
Globus-M2 spherical tokamak
Research Field:
Plasma physics
Subject:
Study of high-energy ion component and charge-exchange atom spectra
Device:
CNPA-09 compact analyzer
Energy Range:
0.8–60 keV (deuterium), 0.8–120 keV (hydrogen)
Number of Channels:
44
Related Instruments:
ACORD-12, ACORD-24M
Heating Methods:
Neutral Beam Injection (NBI), Ion-Cyclotron Resonance Heating (ICRH)
Funding Framework:
State contracts of the Ioffe Institute (0034-2021-0001, 0040-2019-0023)
Scientific Program:
Investigation of retention and thermalization of high-energy ions
Authors:
K.D. Shulyatiev; N.N. Bakharev; F.V. Chernyshev; V.V. Dyachenko; V.K. Gusev; G.S. Kurskiev; A.D. Melnik; V.B. Minaev; I.V. Miroshnikov; V.G. Nesenevich; Yu.V. Petrov; N.V. Sakharov; P.B. Shchegolev; V.V. Solokha; A.Yu. Telnova; E.E. Tkachenko; E.A. Tukhmeneva; V.I. Varfolomeev; N.S. Zhiltsov
Year:
2026
Region / City:
Global
Subject:
Chemistry
Document Type:
Educational notes
Institution / Organization:
Not specified
Author:
Not specified
Target Audience:
Students of chemistry
Period Covered:
Contemporary
Related Elements:
Na, K, Ca, Zn, Cl, Rb, Cs, N, O, Mg, Al, B, C, Si
Year:
2025
Region / city:
Padjadjaran University, Indonesia
Topic:
Fish reproduction, artificial fertilization
Document type:
Research article
Institution:
Padjadjaran University
Author:
Not mentioned
Target audience:
Researchers, fishery professionals
Period of application:
Not specified
Approval date:
Not specified
Modification date:
Not specified
Authors:
Lillian Ma; Cally J. E. Haynes; Angela B. Grommet; Anna Walczak; Christopher C. Parkins; Cara M. Doherty; Louis Longley; Arnaud Tron; Artur R. Stefankiewicz; Thomas D. Bennett; Jonathan R. Nitschke
Affiliated institutions:
University of Cambridge; University College London; Adam Mickiewicz University; Commonwealth Scientific and Industrial Research Organisation
Academic field:
Chemistry; Materials Science
Research area:
Porous liquids and coordination cages
Type of document:
Scientific research article
Studied materials:
Tetrahedral Zn4L4 coordination cage; PEG-imidazolium functionalised cages
Chemical compounds mentioned:
Trichlorofluoromethane (CFC-11); Dichlorodifluoromethane (CFC-12); Chlorotrifluoromethane (CFC-13); Butanol and propanol isomers
Methodology:
Synthesis of coordination cages; NMR spectroscopy; rheological analysis
Temperature conditions studied:
25–100 °C
State of material:
Ionic liquid with permanent porosity
Guest molecules investigated:
Chlorofluorocarbons and alcohol isomers
Scientific focus:
Molecular encapsulation and size- and shape-selective binding in porous liquids
Corresponding authors:
Thomas D. Bennett; Jonathan R. Nitschke
Year:
2023
Region / city:
Sabzevar, Iran
Topic:
Viscosity prediction, ionic liquids, machine learning
Document type:
Research article
Institution:
Petroleum and Petrochemical Engineering School, Hakim Sabzevari University
Author:
Amir Hossein Sheikhshoaei, Ali Sanati
Target audience:
Researchers, petroleum industry professionals, chemical engineers
Period of validity:
N/A
Approval date:
N/A
Date of last modification:
N/A
Contextual description:
A research article focusing on the prediction of viscosity for imidazolium-based ionic liquids and their mixtures using machine learning models, offering insights into theoretical models and statistical validation for industrial applications.
Year:
2024
Region / city:
Ireland
Topic:
Atomic physics, Semiconductors
Document type:
Educational booklet
Author:
Noel Cunningham
Target audience:
Students studying atomic physics
Period of validity:
2002–2023
Date of approval:
04/08/2024
Last updated:
04/08/2024
Year:
2023
Region / City:
USA
Topic:
Ferroelectric materials, Thin films
Document type:
Research article
Organization / Institution:
The Kurt J. Lesker Company, Pennsylvania State University, Massachusetts Institute of Technology, Army Research Laboratory
Author:
Gilbert B. Rayner, Jr., Noel O’Toole, Nathaniel Nelson, Bangzhi Liu, Jeffrey Shallenberger, Gregory Muha, Piush Behera, Suraj Cheema, Blaine Johs, Nastazia Moshirfatemi, Daniel Drury, Brendan M. Hanrahan, Nicholas A. Strnad
Target audience:
Researchers, Engineers, Academics
Period of applicability:
N/A
Approval date:
N/A
Date of changes:
N/A
Year:
Not specified
Region / city:
Not specified
Subject:
Chemistry
Document type:
Practical guide
Institution:
Not specified
Author:
Not specified
Target audience:
Students, educators
Period of validity:
Not specified
Approval date:
Not specified
Date of modifications:
Not specified
Context description:
Practical guide for conducting an experiment to calculate the relative atomic mass of magnesium through reaction with sulfuric acid.
Note:
Year
Subject:
Chemistry
Document Type:
Worksheet
Target Audience:
Students
Subject:
Chemistry
Course:
AP Chemistry
Title:
Atomic Theory, Elements, Molecules and Compounds Practice Test – Answers
Document Type:
Answer Key
Content Type:
Multiple Choice Questions and Solutions
Educational Level:
Secondary Education / Advanced Placement
Topic Coverage:
Atomic theory, ionic compounds, nomenclature, subatomic particles, isotopes, historical atomic models
Associated Experiments:
Millikan oil drop experiment, Rutherford gold foil experiment
Referenced Scientists:
John Dalton; Ernest Rutherford; J.J. Thomson; Democritus
Assessment Format:
Multiple Choice with Answer Indicators
Intended Audience:
AP Chemistry students
Subject:
Physics
Topic:
Atomic structure and ionising radiation
Type of document:
Examination paper
Total marks:
35 marks
Question count:
6
Assessment format:
Structured and multiple-choice questions
Includes diagrams:
Figures 1–6
Scientific concepts covered:
subatomic particles, isotopes, radioactive decay, half-life, ionising radiation, Rutherford gold foil experiment
Practical component:
Beta particle absorption experiment with count rate measurements
Historical context:
Late 19th century atomic models and Rutherford experiment
Year:
400 BCE
Region / City:
Ancient Greece
Subject:
Atomic theory
Document type:
Historical overview
Author:
Not specified
Target audience:
Students of science, researchers
Date of approval:
Not specified
Date of revisions:
Not specified
Year:
2021
Region / city:
Not specified
Subject:
Chemistry
Document type:
Marking scheme
Institution:
Not specified
Author:
Not specified
Target audience:
Students preparing for exams
Effective period:
Not specified
Approval date:
Not specified
Modification date:
Not specified