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Use the Periodic Table below to help you answer the question: Which atomic model of boron (B) is correct?
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GPT-5 mini
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Pick the picture that shows 5 electrons arranged as 2 in the first (inner) shell and 3 in the second (outer) shell.
Reason: boron has atomic number 5 (5 protons and, in a neutral atom, 5 electrons) and electron configuration 1s2 2s2 2p1 → shell distribution 2,3. (The nucleus would show 5 protons and typically 6 neutrons for the common isotope B‑11.)
Reason: boron has atomic number 5 (5 protons and, in a neutral atom, 5 electrons) and electron configuration 1s2 2s2 2p1 → shell distribution 2,3. (The nucleus would show 5 protons and typically 6 neutrons for the common isotope B‑11.)
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