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Answer key for a chemistry homework worksheet listing ionic compounds to be named and requiring identification of correct Roman numerals for multivalent metal cations.
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
Price: 8 / 10 USD
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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
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
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
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:
2023
Region / City:
Virginia
Theme:
Early Intervention, Disability Education
Document Type:
State Performance Plan / Annual Performance Report
Agency / Organization:
U.S. Department of Education
Author:
Virginia Department of Education
Target Audience:
State agencies, early intervention service providers, policymakers
Period of Validity:
2023-2025
Approval Date:
N/A
Date of Revisions:
N/A
Year:
2023
Region / City:
Hawaii
Subject:
Early Intervention for Children with Disabilities
Document Type:
Government Report
Agency:
U.S. Department of Education
Author:
Hawaii State Department of Health
Target Audience:
Public, Policy Makers, Educators, Healthcare Providers
Period of Validity:
2023-2024
Approval Date:
Not specified
Modification Date:
Not specified
Year:
2023
Region / City:
Connecticut
Topic:
Early Childhood Intervention
Document Type:
Report
Agency:
Office of Early Childhood (OEC)
Author:
Office of Early Childhood (OEC)
Target Audience:
State and local education agencies, early childhood service providers
Effective Period:
FFY 2023
Approval Date:
N/A
Amendment Date:
N/A
Year:
2022
Region / City:
Nevada
Topic:
Special Education, Disability Rights
Document Type:
Government Report
Agency:
U.S. Department of Education
Author:
Nevada Department of Education
Target Audience:
State Educational Agencies, Local Educational Agencies, Educators, Stakeholders
Period of Validity:
Reporting on FFY 2022
Approval Date:
February 1, 2024
Date of Last Changes:
June 2023
Year:
2024
Region / City:
East
Topic:
Vehicle storage requirements
Document Type:
Technical guidelines
Author:
Formula Student East
Target Audience:
Formula Student teams
Period of Validity:
2024 competition
Approval Date:
Not specified
Date of Changes:
Not specified
Year:
2024/25
Region / City:
Bradford
Subject:
Mainstream Primary and Secondary School Funding
Document Type:
Consultation Paper
Organization:
Bradford Authority
Author:
Andrew Redding
Target Audience:
Schools and Academies in Bradford
Period of Action:
2024/25 Financial Year
Approval Date:
Not provided
Amendment Date:
6 October 2023
Year:
2020
Jurisdiction:
Maine
Program:
STOP Violence Against Women Formula Grant
Funding authority:
Violence Against Women Act
Issuing agency:
Department of Public Safety
Administering body:
Justice Assistance Council
Document type:
Request for Applications
Purpose:
Support law enforcement, prosecution, and victim services addressing violent crimes against women
Priority areas:
Six state priority areas aligned with federal STOP purpose areas
Target population:
Adult and teen women victims of domestic violence, dating violence, sexual assault, and stalking
Eligible activities:
Personnel, training, technical assistance, data collection, equipment, victim services
Funding limitations:
No prevention education, public awareness campaigns, curriculum development, construction, lobbying, fundraising, or research
Geographic scope:
Statewide
Compliance requirements:
Federal accounting and audit standards, 2 CFR Part 200
Year:
2026
Subject:
Finance / Corporate Finance / Investments
Type of document:
Study guide / Reference sheet
Audience:
Students of FIN320 or finance professionals
Content:
Financial formulas, corporate tax table, ratios, time value of money, bond valuation, dividend models, NPV/IRR, historical returns, portfolio theory, CAPM, WACC