QQuestionChemistry
QuestionChemistry
Elements that have 7 valence electrons are located in which group?
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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:: Understand Valence Electrons
Valence electrons are the electrons in the outermost shell of an atom, which determine the chemical properties of an element. These electrons are responsible for bonding and chemical reactivity.
Step 3:: Recall the Periodic Table Group Structure
In the periodic table, groups (vertical columns) represent elements with similar electron configurations and chemical properties.
Step 4:: Identify the Group with 7 Valence Electrons
Elements with 7 valence electrons are located in Group 17, which is also known as the halogen group.
Step 5:: Verify the Electron Configuration
The general electron configuration for Group 17 elements is $$ns^{2}np^{5}$$, where $$n$$ represents the principal quantum number.
Step 6:: Examples of Group 17 Elements
Some examples of Group 17 elements include: - Fluorine (F) - Chlorine (Cl) - Bromine (Br) - Iodine (I) - Astatine (At)
Final Answer
Elements with 7 valence electrons are located in Group 17 (the halogen group) of the periodic table.
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