Name the most electropositive and most electronegative element of the periodic table.

Explanation

To answer the question regarding the most electropositive and most electronegative elements of the periodic table, we can follow these steps:

### Step-by-Step Solution:

1. **Understand Electropositivity and Electronegativity:**
- Electropositivity refers to the tendency of an element to lose electrons and form positive ions. This property is typically associated with metals.
- Electronegativity refers to the tendency of an element to attract electrons and form negative ions. This property is usually associated with non-metals.

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