Scelta multipla
In which pair are the two species both isoelectronic and isotopic?
4981
views
39
rank
4. Atoms and Elements
Ions (Simplified)
0:52 minutiProblema 10
Domanda del libro di testo
Write the symbol for the ion of each of the following: b. barium
Guida verificata passo dopo passo1
Identify the element barium on the periodic table. Barium is in Group 2, which is the alkaline earth metals.
Recall that elements in Group 2 typically form ions with a +2 charge because they lose two electrons to achieve a stable electron configuration.
Write the symbol for barium, which is 'Ba'.
Combine the element symbol with the charge to represent the ion. Since barium loses two electrons, it forms a cation with a +2 charge.
The symbol for the barium ion is written as 'Ba^{2+}'.
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:
52sConcetti chiave
Ecco i concetti essenziali che devi comprendere per rispondere correttamente alla domanda.
Ionic Charge
Ionic charge refers to the electrical charge that an atom or molecule carries when it gains or loses electrons. Atoms that lose electrons become positively charged ions (cations), while those that gain electrons become negatively charged ions (anions). Understanding the ionic charge is crucial for determining the correct symbol for an ion.
Video consigliato:
Percorso guidato
02:33
Ionic Bonding Concept 1
Barium Properties
Barium is an alkaline earth metal with the atomic number 56. It typically forms a cation with a +2 charge when it loses its two outermost electrons during chemical reactions. Recognizing the properties of barium helps in predicting its behavior and the type of ion it forms.
Video consigliato:
Percorso guidato
02:17Chemical Properties Example 1
Chemical Symbol Notation
Chemical symbols are shorthand representations of elements and ions, consisting of one or two letters. The first letter is always capitalized, while the second, if present, is lowercase. For barium, the symbol is 'Ba', and when it forms a +2 ion, it is represented as 'Ba²⁺', indicating its ionic charge.
Video consigliato:
Percorso guidato
01:41Scientific Notation
Video correlati
Pratica correlata