Which one of the alkaline earth metal carbonates is thermally the most stable?

Options

A. `MgCO_(3)`
B. `CaCO_(3)`
C. `SrCO_(3)`
D. `BaCO_(3)`

Explanation

To determine which alkaline earth metal carbonate is thermally the most stable, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Concept of Thermal Stability**:
Thermal stability refers to the ability of a compound to withstand heat without decomposing. In the case of alkaline earth metal carbonates, thermal stability indicates how much heat is required to decompose the carbonate into its corresponding metal oxide and carbon dioxide.

2. **Identify the Alkaline Earth Metals**:
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