CONFIGURACIÓN ELECTRÓNICA del BROMO | Química desde cero
Summary
TLDRIn this educational video, Yamil Córdoba introduces viewers to the electronic configuration of the element bromine, which has 35 electrons corresponding to its atomic number. The video guides through the step-by-step process of determining the electronic configuration using the Aufbau principle and the Pauli exclusion principle, revealing that bromine's configuration is 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁵. Yamil explains how to identify the period and group of bromine in the periodic table, concluding that bromine is in the 4th period and belongs to group 7A (or 7 in the modern IUPAC nomenclature). Additionally, the video includes the construction of an orbital diagram to visualize the valence electrons, showing that bromine has 7 valence electrons. The content is designed to be engaging and informative, encouraging viewers to stay until the end and participate by liking and commenting.
Takeaways
- 🧪 The video is an educational tutorial by Yamil Córdoba on the electronic configuration of the element bromine.
- 🔍 Bromine has an atomic number of 35, which means it has 35 electrons.
- 📚 The video explains not only the electronic configuration of bromine but also its group and period in the periodic table.
- 🌐 The electronic configuration of bromine is detailed step by step using the Aufbau principle and the electron configuration formula.
- 📈 The maximum energy level in bromine's electronic configuration is 4, which places it in the 4th period of the periodic table.
- 🔢 By summing the electrons in the outermost energy level (4s² 4p₅), which totals 7, bromine is identified as being in group 7 of the periodic table.
- 📝 The video clarifies that if the outermost electrons are in an s or p orbital, the group is indicated with an 'a', and if in a d or f orbital, it is indicated with a 'b'.
- 🌀 The tutorial includes the creation of an orbital diagram to show how many electrons bromine can share when forming chemical bonds.
- 📉 Bromine's valence electrons are represented in the orbital diagram, showing it has 7 valence electrons, which are not paired.
- 🎓 The video concludes with a summary that bromine has 7 valence electrons, providing a visual representation of its orbitals.
Q & A
What is the main topic of the video by Yamil Córdoba?
-The main topic of the video is to teach the electronic configuration of the element bromine, including its atomic number, group, period, and valence electrons.
How many electrons does bromine have according to its atomic number?
-Bromine has 35 electrons, as indicated by its atomic number.
What is the purpose of the Moller diagram in the context of this video?
-The Moller diagram is used to illustrate the order in which electrons are arranged within an atom, guiding through the steps to determine the electronic configuration of bromine.
What is the highest energy level or principal quantum number in the electronic configuration of bromine?
-The highest energy level in the electronic configuration of bromine is 4, which is determined by the '4s' orbital.
In which period of the periodic table does bromine reside?
-Bromine is located in the fourth period of the periodic table, as indicated by the highest energy level number, which is 4.
How can you determine the group of bromine in the periodic table?
-The group of bromine can be determined by counting the electrons in the outermost energy level, which in this case are the 7 electrons in the '4p' orbital.
What is the significance of the term 'valence electrons' in the context of this video?
-Valence electrons are the electrons that are involved in chemical bonding. The video explains how to determine the number of valence electrons in bromine by examining its electronic configuration.
What is the total number of valence electrons in bromine according to the video?
-Bromine has 7 valence electrons, as determined by the number of electrons in the '4p' orbital.
How does the video explain the concept of orbitals in relation to bromine's electronic configuration?
-The video uses the concept of orbitals to show the different zones where electrons move within an atom, and it uses a diagram to illustrate the placement of electrons in the 's' and 'p' orbitals of bromine.
What is the role of the spin of electrons in the orbital diagram presented in the video?
-The spin of electrons is represented by arrows pointing up and down in the orbital diagram to indicate the direction of electron spin, with each orbital accommodating a maximum of two electrons with opposite spins.
How does the video differentiate between 'a' and 'b' groups in the periodic table?
-The video explains that if the electronic configuration ends with 's' or 'p', the group is labeled with 'a', indicating a representative element. If it ends with 'd' or 'f', it is labeled with 'b', indicating a transition or rare earth element. Since bromine ends with 'p', it is in group 7a.
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