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Mumz [18]
3 years ago
11

The electrons in the outermost shell are called valence electrons. How many valence electrons does the

Chemistry
1 answer:
kipiarov [429]3 years ago
5 0

Answer:7

Explanation:All halogens have 7 valence electrons. Valence electrons are the total number of electrons present in the outermost shell of an atom (i.e. Seven valence electrons. There are thus 7 valence electrons for Fluorine, 2 in the 2s orbital, and 5 in the 2p orbitals.

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2K   +   2H₂O   →   2KOH  + H₂

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