Classify each of the following solids as ionic, metallic, molecular, network (covalent), or amorphoues.
a. Tetra phosphorus decoxide `(P_(4) O_(10))`
b. Graphite c. Brass
d. Ammonium phosphate `(NH_(4))_(3) PO_(4)`
e. `Sic` f. `Rb` g. `I_(2)` h. `LiBr`
i. `P_(4)` j. `Si` k. Plastic

Explanation

To classify each of the given solids, we will analyze their structures and properties. Here’s the step-by-step classification:

### Step 1: Analyze Tetra phosphorus decoxide `(P₄O₁₀)`
- **Classification**: Molecular Solid
- **Reason**: Tetra phosphorus decoxide is composed of discrete molecules held together by van der Waals forces.

### Step 2: Analyze Graphite
- **Classification**: Network (Covalent) Solid
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