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A chemist is looking at an electrically neutral atom that has three valence electrons. If she knows the element is a metalloid, which one (or ones) is it?
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A chemist is looking at an electrically neutral atom that has three valence electrons. If she knows the element is a metalloid, which one (or ones) is it?

User Jens Alm
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Your answer is boron,

I looked at the periodic table, there is nothing else that falls under this specs.


User Ben Lonsdale
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