Q
QuestionChemistry

The elements in group 17 of the periodic table are all called halogens. All halogens have the same ______.
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Answer

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Step 1
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Step 2
: Identify the Characteristic of Halogens

Halogens are a group of elements located in Group 17 (formerly Group VIIA) of the periodic table. To determine their common characteristic, we need to examine their electron configuration.

Final Answer

All halogens have the same number of valence electrons (7) in their outer shell.