The symbol of calcium is ________ .

Explanation

To find the symbol of calcium, follow these steps:

1. **Understand Chemical Symbols**: Chemical symbols are short forms used to represent chemical elements. Each element has a unique symbol.

2. **Know the Conventions**: The symbol for an element is usually derived from the first one or two letters of its name. The first letter is always capitalized, and if there is a second letter, it is in lowercase.

3. **Identify the Element**: In this case, we are looking for the symbol of calcium.

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