Using the perodic table, perdict the formulas of compounds which might be formed by the following pairs of elements : (a) silicon and bromine (b) aluminium and sulphur.

Explanation

To predict the formulas of compounds formed by the pairs of elements silicon and bromine, and aluminum and sulfur, we can follow these steps:

### Step-by-Step Solution

**(a) Silicon and Bromine:**

1. **Identify the Symbols of the Elements:**
- Silicon (Si)
...