From the list of the elements Na, Mg, Al, Si, predict
The most electropositive element

Answer

To determine the most electropositive element from the list of Na, Mg, Al, and Si, we can follow these steps:

### Step-by-Step Solution:

1. **Understand Electropositivity**: Electropositivity is the tendency of an element to lose electrons and form positive ions. This property is generally associated with metals.

2. **Identify the Position of Elements**: Look at the periodic table to identify the position of each element:
- Sodium (Na) is in Group 1 (alkali metals).
- Magnesium (Mg) is in Group 2 (alkaline earth metals).
- Aluminum (Al) is in Group 13.
- Silicon (Si) is in Group 14.

3. **Analyze the Trend in Electropositivity**: Electropositivity decreases as you move from left to right across a period in the periodic table. This means that elements on the left side are more electropositive than those on the right.

4. **Compare the Elements**:
- Sodium (Na) is the farthest left among the given elements, which means it has the highest electropositivity.
- Magnesium (Mg) is next, followed by Aluminum (Al) and Silicon (Si), which are further to the right.

5. **Conclusion**: Since Sodium (Na) is the leftmost element in the list, it is the most electropositive element among Na, Mg, Al, and Si.

### Final Answer:
The most electropositive element from the list is Sodium (Na).

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