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How many dots belong in the electron dot diagram of a boron (B) atom?
three
five
eight
thirteen
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Three.
Boron has atomic number 5 with electron configuration 1s2 2s2 2p1, so it has 3 valence electrons (group 13 element), represented by three dots in its Lewis/electron-dot diagram.
Boron has atomic number 5 with electron configuration 1s2 2s2 2p1, so it has 3 valence electrons (group 13 element), represented by three dots in its Lewis/electron-dot diagram.
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