Skip to main content
Ch.9 - Periodic Properties of the Elements
Tro - Chemistry: A Molecular Approach 6th Edition
Tro6th EditionChemistry: A Molecular ApproachISBN: 9780137832217Non è quello che usi tu?Cambia libro di testo
Tutti i libri di testoTro 6th EditionCh.9 - Periodic Properties of the ElementsProblema 43b
Capitolo 9, Problema 43b

Use the periodic table to write an electron configuration for each element. Represent core electrons with the symbol of the previous noble gas in brackets. b. As

Guida verificata passo dopo passo
1
Identify the atomic number of arsenic (As) from the periodic table, which is 33.
Determine the previous noble gas before arsenic, which is argon (Ar) with an atomic number of 18.
Write the electron configuration starting with the noble gas core: [Ar].
Continue the electron configuration from argon by adding electrons to the 4s, 3d, and 4p orbitals: 4s^2, 3d^10, 4p^3.
Combine the noble gas core and the additional electrons to complete the electron configuration: [Ar] 4s^2 3d^10 4p^3.

Risposta video verificata per un problema simile:

Questa soluzione video è stata consigliata dai nostri tutor come utile per risolvere questo problema.
Durata del video:
3m

Concetti chiave

Ecco i concetti essenziali che devi comprendere per rispondere correttamente alla domanda.

Electron Configuration

Electron configuration describes the distribution of electrons in an atom's orbitals. It is typically written in a specific format that indicates the energy levels and sublevels occupied by electrons. For example, the configuration for an element like Argon (Ar) is 1s² 2s² 2p⁶ 3s² 3p⁶, showing how electrons fill the available orbitals according to the Aufbau principle.
Video consigliato:
Percorso guidato
01:33
Electron Configuration Example

Noble Gas Notation

Noble gas notation is a shorthand method for writing electron configurations by using the symbol of the nearest preceding noble gas to represent core electrons. This simplifies the notation by focusing on the valence electrons, which are crucial for determining an element's chemical properties. For instance, for Arsenic (As), the configuration can be written as [Ar] 4s² 3d¹⁰ 4p³.
Video consigliato:
Percorso guidato
00:59
Noble Gas Compounds

Periodic Table and Electron Configuration

The periodic table organizes elements based on their atomic number and electron configurations, reflecting periodic trends in chemical properties. Elements in the same group typically have similar valence electron configurations, which influences their reactivity and bonding behavior. Understanding the layout of the periodic table helps predict the electron configuration of elements like Arsenic based on its position.
Video consigliato:
Percorso guidato
07:14
Periodic Table Blocks
Pratica correlata
Domanda del libro di testo

Write the full orbital diagram for each element. a. S

637
views
Domanda del libro di testo

Write the full orbital diagram for each element. c. Ne d. He

1235
views
Domanda del libro di testo

Use the periodic table to determine the element corresponding to each electron configuration. d. [Kr] 5s2

1152
views
Domanda del libro di testo

Use the periodic table to determine the element corresponding to each electron configuration. b. [Ar] 4s23d104p5

Domanda del libro di testo

Write the full orbital diagram for each element. b. Ca

703
views
Domanda del libro di testo

Use the periodic table to write an electron configuration for each element. Represent core electrons with the symbol of the previous noble gas in brackets. c. Nb