Domanda del libro di testo
Each of the following pairs of elements will react to form a binary ionic compound. Write the formula of each compound formed, and give its name. (a) Magnesium and chlorine
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Ch.6 - Ionic Compounds: Periodic Trends and Bonding Theory
McMurry8th EditionChemistryISBN: 9781292336145
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TOC.tableOfContents
- Ch.1 - Chemical Tools: Experimentation & Measurement170
- Ch.2 - Atoms, Molecules & Ions160
- Ch.3 - Mass Relationships in Chemical Reactions169
- Ch.4 - Reactions in Aqueous Solution199
- Ch.5 - Periodicity & Electronic Structure of Atoms102
- Ch.6 - Ionic Compounds: Periodic Trends and Bonding Theory92
- Ch.7 - Covalent Bonding and Electron-Dot Structures61
- Ch.8 - Covalent Compounds: Bonding Theories and Molecular Structure59
- Ch.9 - Thermochemistry: Chemical Energy122
- Ch.10 - Gases: Their Properties & Behavior155
- Ch.11 - Liquids & Phase Changes54
- Ch.12 - Solids and Solid-State Materials73
- Ch.13 - Solutions & Their Properties120
- Ch.14 - Chemical Kinetics98
- Ch.15 - Chemical Equilibrium125
- Ch.16 - Aqueous Equilibria: Acids & Bases110
- Ch.17 - Applications of Aqueous Equilibria147
- Ch.18 - Thermodynamics: Entropy, Free Energy & Equilibrium86
- Ch.19 - Electrochemistry154
- Ch.20 - Nuclear Chemistry96
- Ch.21 - Transition Elements and Coordination Chemistry156
- Ch.22 - The Main Group Elements187
- Ch.23 - Organic and Biological Chemistry51
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McMurry 8th EditionCh.6 - Ionic Compounds: Periodic Trends and Bonding TheoryProblema 76c
McMurry 8th EditionCh.6 - Ionic Compounds: Periodic Trends and Bonding TheoryProblema 76cCapitolo 6, Problema 76c
Each of the following pairs of elements will react to form a binary ionic compound. Write the formula of each compound formed, and give its name. (c) Lithium and nitrogen
Guida verificata passo dopo passo1
Identify the charges of the ions formed by each element. Lithium (Li) typically forms a +1 cation (Li^+), and nitrogen (N) typically forms a -3 anion (N^{3-}).
Determine the lowest whole number ratio of ions needed to balance the total positive and negative charges. Since lithium has a +1 charge and nitrogen has a -3 charge, three lithium ions are needed for every one nitrogen ion to balance the charges (3(+1) + 1(-3) = 0).
Write the chemical formula by placing the cation first followed by the anion. Since three lithium ions are needed for each nitrogen ion, the formula is Li_3N.
Name the compound by first naming the cation (lithium) and then the anion. For anions of non-metal elements, the ending of the element's name is changed to '-ide.' Therefore, nitrogen becomes nitride.
Combine the names of the cation and anion to get the full name of the compound: lithium nitride.
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Ionic Compounds
Ionic compounds are formed when atoms transfer electrons, resulting in the formation of positively charged cations and negatively charged anions. These oppositely charged ions attract each other, creating a stable compound. Understanding the nature of ionic bonds is essential for predicting the formulas and names of the resulting compounds.
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02:11
Ionic Compounds Naming
Valence Electrons
Valence electrons are the outermost electrons of an atom and play a crucial role in chemical bonding. The number of valence electrons determines how an element will react and what type of ions it will form. For lithium, which has one valence electron, it will lose that electron to form a cation, while nitrogen, with five valence electrons, will gain three electrons to form an anion.
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02:12Transition Metals Valence Electrons
Chemical Nomenclature
Chemical nomenclature is the system of naming chemical compounds based on their composition and structure. For ionic compounds, the name typically consists of the cation name followed by the anion name, with the anion often modified to end in '-ide.' In the case of lithium and nitrogen, the resulting compound is lithium nitride, reflecting the ions formed during the reaction.
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03:31Chemical Properties
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