Question
Download Solution PDFWhat is the number of electrons found in the outermost shell of the halogens?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is Seven.
Key Points
- Halogens:-
- These are a group of chemical elements that belong to group 17 of the periodic table.
- They are highly reactive non-metals and are found in nature as diatomic molecules. The halogens are fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At).
- All halogens have 7 electrons in their outermost shell.
- The number of electrons in the outermost shell of an atom is called its valence electron count.
- The valence electron count determines the chemical properties of an element.
- Halogens have 7 valence electrons, which makes them very reactive. They tend to gain one electron to complete their octet (a stable configuration of 8 electrons in the outermost shell).
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