QQuestionChemistry
QuestionChemistry
Using a periodic table, write the full electron configuration of bromine (Br) so that all the subshells in each principal energy shell are grouped together.
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Answer
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Step 1:I'll solve this problem step by step, following the specified LaTeX formatting guidelines:
Step 2:: Determine the atomic number of bromine
- From the periodic table, bromine (Br) has an atomic number of 35 - This means bromine has 35 electrons that need to be distributed in electron orbitals
Step 3:: Fill electron orbitals systematically using the Aufbau principle
1s^{2} 2s^{2} 2p^{6} 3s^{2} 3p^{6} 4s^{2} 3d^{10} 4p^{5}
- Start with the lowest energy subshells and fill them in order - The electron configuration will follow this sequence:
Step 4:: Break down the electron configuration
- $$4p^{5}$$: Fourth shell, p subshell (5 electrons)
- 2s^{2} 2p^{6}: Second shell, s and p subshells (8 electrons)
Final Answer
1s^{2} 2s^{2} 2p^{6} 3s^{2} 3p^{6} 4s^{2} 3d^{10} 4p^{5}
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