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Any element in the halogen group will have seven valence electrons. These elements include fluorine, chlorine, bromine, iodine, and astatine.

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jkw8886

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How many valence electron does an iodine have?

Seven valence electrons in iodine.


How many valence electron does chlorine?

The element chlorine has seven electrons in its valence shell.


Which atoms are most reactive?

The most reactive elements have either 1 valence electron or 7 valence electrons


How many valence electrons are in alkali metals?

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The group of the element indicates the amount of valence electrons. For example, the alkali metals have one valence electron and is in group one whilst the halogens have seven valence electrons and are in group seven.


An electron in the outermost energy level of an atom is a?

The outermost electrons are called VALENCE electrons.


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Why does an atom with only one electron in its valence shell make a better conductor than an atom with seven electrons in its valence shell?

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