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The formula of calcium cynamide is ....

The formula of calcium cynamide is ______.

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To find the formula of calcium cyanamide, we can follow these steps: 1. **Identify the Components**: Calcium cyanamide is composed of calcium and the cyanamide ion. Calcium is a metal from the alkaline earth metals group, and the cyanamide ion is a polyatomic ion. 2. **Determine the Chemical Symbols**: The chemical symbol for calcium is Ca. The cyanamide ion consists of carbon (C), nitrogen (N), and has the formula CN2. 3. **Combine the Components**: Since calcium typically forms a +2 charge and the cyanamide ion has a -2 charge (from the two nitrogen atoms), we can combine them to form a neutral compound. 4. **Write the Formula**: The formula for calcium cyanamide is obtained by placing the calcium symbol (Ca) first, followed by the cyanamide ion (CN2). Therefore, the complete formula is CaCN2. 5. **Conclusion**: The final answer is that the formula of calcium cyanamide is CaCN2.
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