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The gaseous element with 5 valence electrons and fewer neutrons than sodium is Boron. Boron has 5 protons and 5 neutrons, while sodium has 11 protons and about 12 neutrons.

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This gaseous element has 5 valence electrons and fewer neutrons then sodium


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Which element have 7 valence electrons and 10 neutrons?

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Element 3 lithium has one valence electron and element 4 beryllium has two valence electrons Element 5 boron has how many valence electrons?

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How many electrons and neutrons does the element of ununoctium have?

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How many valence electrons should an element to react with a element with 7 valence electrons?

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Why do scientists group elements with similar amounts of neutrons?

They don'tThey group elements with the same number of valence electrons.The valence electrons of an element determine how that element bond and how many bonds it forms.So elements with the same number of valence electrons tend to have similar chemical properties.