Domanda del libro di testo
Name an element in the fourth period (row) of the periodic table with the following: c. four 3d electrons
Ch.9 - Periodic Properties of the Elements
Tro6th EditionChemistry: A Molecular ApproachISBN: 9780137832217
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TOC.tableOfContents
- Ch.1 - Matter, Measurement & Problem Solving118
- Ch.2 - Atoms & Elements106
- Ch.3 - Molecules and Compounds131
- Ch.4 - Chemical Reactions and Chemical Quantities56
- Ch.5 - Introduction to Solutions and Aqueous Solutions82
- Ch.6 - Gases114
- Ch.7 - Thermochemistry96
- Ch.8 - The Quantum-Mechanical Model of the Atom60
- Ch.9 - Periodic Properties of the Elements90
- Ch.10 - Chemical Bonding I: The Lewis Model89
- Ch.11 - Chemical Bonding II: Molecular Shapes, VSEPR & MO Theory85
- Ch.12 - Liquids, Solids & Intermolecular Forces51
- Ch.13 - Solids & Modern Materials47
- Ch.14 - Solutions90
- Ch.15 - Chemical Kinetics115
- Ch.16 - Chemical Equilibrium68
- Ch.17 - Acids and Bases136
- Ch.18 - Aqueous Ionic Equilibrium153
- Ch.19 - Free Energy & Thermodynamics93
- Ch.20 - Electrochemistry106
- Ch.21 - Radioactivity & Nuclear Chemistry74
- Ch.22 - Organic Chemistry140
Tro6th EditionChemistry: A Molecular ApproachISBN: 9780137832217Non è quello che usi tu?Cambia libro di testo
Capitolo 9, Problema 49d
Name an element in the fourth period (row) of the periodic table with the following: d. full s and p sublevels
Guida verificata passo dopo passo1
Identify the fourth period (row) of the periodic table, which includes elements with atomic numbers 19 to 36.
Understand that a full s sublevel means the s orbital in that period is completely filled with 2 electrons.
Recognize that a full p sublevel means the p orbitals in that period are completely filled with 6 electrons.
Combine the full s and p sublevels to determine that the element must have a total of 8 electrons in its outermost shell (2 in s and 6 in p).
Locate the element in the fourth period that has a completely filled s and p sublevel, which corresponds to the noble gas at the end of the period.
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Periodic Table Structure
The periodic table is organized into rows (periods) and columns (groups) based on atomic number and electron configuration. Each period corresponds to the filling of electron shells, with the fourth period containing elements that have electrons filling the 4s and 3d subshells. Understanding this structure is essential for identifying elements based on their electron configurations.
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Percorso guidato
02:40
Periodic Table Classifications
Electron Configuration
Electron configuration describes the distribution of electrons in an atom's orbitals. For elements in the fourth period, the full s and p sublevels indicate that the 4s and 4p orbitals are completely filled. This concept is crucial for determining the chemical properties and reactivity of elements, as it influences how they bond with other atoms.
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01:33Electron Configuration Example
Sublevel Filling Order
The order in which atomic orbitals are filled with electrons follows the Aufbau principle, which states that electrons occupy the lowest energy orbitals first. In the fourth period, after filling the 4s sublevel, electrons begin to fill the 3d sublevel. Recognizing this filling order helps in identifying elements with specific electron configurations, such as those with full s and p sublevels.
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02:04Bond Order Example
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Name an element in the fourth period (row) of the periodic table with the following: b. three 4p electrons
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Name an element in the fourth period (row) of the periodic table with the following: a. two 3d electrons
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Name an element in the third period (row) of the periodic table with the following: c. four 3p electrons
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Name an element in the third period (row) of the periodic table with the following: d. two 3s electrons and one 3p electron