Describe the theory associated with the radius of an atom as it
loses an electron

Explanation

### Step-by-Step Solution:

1. **Understanding Atomic Structure**:
- An atom consists of protons, neutrons, and electrons. Protons are positively charged and located in the nucleus, while electrons are negatively charged and orbit around the nucleus.

2. **Losing an Electron**:
- When an atom loses an electron, it becomes a positively charged ion known as a cation. For example, if a sodium atom (Na) loses one electron, it becomes Na⁺.

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