Classify the following into elements, compounds and mixtures. (a) Sodium, (b) soil, (c) sugar solution, (d) silver, (e) calcium carbonate, (f) tin, (g) silicon, (h) coal, (i) air, (j) soap, (k) methane, (1) carbon dioxide, (m) blood

Explanation

To classify the given substances into elements, compounds, and mixtures, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Elements**:
- An element is a pure substance made up of only one kind of atom.
- Examples include sodium, silver, tin, and silicon.

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