Total number of element(s) which have only single oxidation state (other than zero) in their corresponding stable compounds: Cs, Ba, F, Zn,Be,Al, Sr,Ga, Pb.

Explanation

To determine the total number of elements from the given list that have only a single oxidation state (other than zero) in their corresponding stable compounds, we will analyze each element one by one.

### Step-by-Step Solution:

1. **Cesium (Cs)**:
- Cesium is in Group 1 (alkali metals) and has an electronic configuration of [Xe] 6s¹.
- It loses one electron to achieve a stable noble gas configuration.
- **Oxidation State**: +1 (only one oxidation state).
- **Conclusion**: Included.

2. **Barium (Ba)**:
- Barium is in Group 2 (alkaline earth metals) with an electronic configuration of [Xe] 6s².
- It loses two electrons to achieve a stable noble gas configuration.
- **Oxidation State**: +2 (only one oxidation state).
- **Conclusion**: Included.

3. **Fluorine (F)**:
- Fluorine is in Group 17 (halogens) with an electronic configuration of [He] 2s² 2p⁵.
- It gains one electron to achieve a stable noble gas configuration.
- **Oxidation State**: -1 (only one oxidation state).
- **Conclusion**: Included.

4. **Zinc (Zn)**:
- Zinc is a transition metal with an electronic configuration of [Ar] 3d¹⁰ 4s².
- It loses two electrons to achieve a stable configuration.
- **Oxidation State**: +2 (only one oxidation state).
- **Conclusion**: Included.

5. **Beryllium (Be)**:
- Beryllium is in Group 2 with an electronic configuration of [He] 2s².
- It loses two electrons to achieve a stable noble gas configuration.
- **Oxidation State**: +2 (only one oxidation state).
- **Conclusion**: Included.

6. **Aluminum (Al)**:
- Aluminum is in Group 13 with an electronic configuration of [Ne] 3s² 3p¹.
- It loses three electrons to achieve a stable noble gas configuration.
- **Oxidation State**: +3 (only one oxidation state).
- **Conclusion**: Included.

7. **Strontium (Sr)**:
- Strontium is in Group 2 with an electronic configuration of [Kr] 5s².
- It loses two electrons to achieve a stable noble gas configuration.
- **Oxidation State**: +2 (only one oxidation state).
- **Conclusion**: Included.

8. **Gallium (Ga)**:
- Gallium is in Group 13 with an electronic configuration of [Ar] 3d¹⁰ 4s² 4p¹.
- It can show +1 and +3 oxidation states due to the inert pair effect.
- **Oxidation States**: +1, +3 (not a single oxidation state).
- **Conclusion**: Not included.

9. **Lead (Pb)**:
- Lead is in Group 14 with an electronic configuration of [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p².
- It can show +2 and +4 oxidation states due to the inert pair effect.
- **Oxidation States**: +2, +4 (not a single oxidation state).
- **Conclusion**: Not included.

### Final Count:
The elements that have only a single oxidation state (other than zero) are:
- Cs (+1)
- Ba (+2)
- F (-1)
- Zn (+2)
- Be (+2)
- Al (+3)
- Sr (+2)

Thus, the total number of elements with a single oxidation state is **7**.