Which of the following clement has highest metallic character

Options

A. `{:("Element",IP),(P,17eV):}`
B. `{:("Element",IP),(Q,2eV):}`
C. `{:("Element",IP),(R,10eV):}`
D. `{:("Element",IP),(S,13eV):}`

Answer

To determine which element has the highest metallic character, we need to understand the concept of metallic character and how it relates to ionization potential.

### Step-by-Step Solution:

1. **Define Metallic Character**:
- Metallic character refers to the ability of an element to lose electrons and form positive ions (cations). Metals typically exhibit high metallic character.

2. **Understand Ionization Potential**:
- Ionization potential (or ionization energy) is the energy required to remove an electron from an atom. Elements with lower ionization potential are generally more metallic because they can lose electrons more easily.

3. **Relationship Between Metallic Character and Ionization Potential**:
- There is an inverse relationship between metallic character and ionization potential. This means that as the ionization potential decreases, the metallic character increases.

4. **Identify the Elements**:
- To solve the question, we need to compare the ionization potentials of the given elements. The element with the lowest ionization potential will have the highest metallic character.

5. **Analyze the Options**:
- Without the specific elements listed in the question, we can conclude that typically, elements found towards the left side of the periodic table (like alkali metals) have lower ionization potentials and thus higher metallic character compared to elements on the right side (like noble gases).

6. **Select the Correct Element**:
- Based on the periodic trends, if we had specific elements listed, we would choose the one with the lowest ionization potential as the answer.

### Conclusion:
The element with the highest metallic character is the one with the lowest ionization potential among the options provided.