QuestionJuly 18, 2025

Which of the following statements is/are CORRECT? 1. Electron spin is associated with the magnetic field of an electron. 2. An electron has only two spin states labeled by m_(s)=1/2 and -1/2 3. Up and down arrows are often used to represent electron spin states. 1. 1 only 2. 2 only 3. 3 only 4. 1 and 3 5. 1,2, and 3

Which of the following statements is/are CORRECT? 1. Electron spin is associated with the magnetic field of an electron. 2. An electron has only two spin states labeled by m_(s)=1/2 and -1/2 3. Up and down arrows are often used to represent electron spin states. 1. 1 only 2. 2 only 3. 3 only 4. 1 and 3 5. 1,2, and 3
Which of the following statements is/are CORRECT? 1. Electron spin is associated with the magnetic field of an electron. 2. An electron has only two spin states labeled by m_(s)=1/2 and -1/2 3. Up and down arrows are often used to represent electron spin states. 1. 1 only 2. 2 only 3. 3 only 4. 1 and 3 5. 1,2, and 3

Solution
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Answer

5. 1, 2, and 3 Explanation 1. Evaluate Statement 1 Electron spin creates a magnetic moment, thus it is associated with the magnetic field. 2. Evaluate Statement 2 Electrons have two possible spin states, m_{s} = +1/2 and m_{s} = -1/2. 3. Evaluate Statement 3 Up (\uparrow) and down (\downarrow) arrows are commonly used to denote electron spin states.

Explanation

1. Evaluate Statement 1<br /> Electron spin creates a magnetic moment, thus it is associated with the magnetic field.<br /><br />2. Evaluate Statement 2<br /> Electrons have two possible spin states, $m_{s} = +1/2$ and $m_{s} = -1/2$.<br /><br />3. Evaluate Statement 3<br /> Up ($\uparrow$) and down ($\downarrow$) arrows are commonly used to denote electron spin states.
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