Which of these ions have noble gas electron configurations? Give the electron configuration of each ion. How many unpaired electrons does each one have? I. Cr3+ II. Al3+ III. Se2−

Which of these ions have noble gas electron configurations? Give the electron configuration of each ion. How many unpaired electrons does each one have? I. Cr3+ II. Al3+ III. Se2−

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Which of these ions have noble gas electron configurations? Give the electron configuration of each ion. How many unpaired electrons does each one have? I. C r 3 + II. A l 3 + III. S e 2

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