Chemistry · Classification of Elements and Periodicity in Properties

Predict the formula of the chemical compound formed between silicon (Group 14, valence 4) and bromine (Group 17, valence 1) based on valence trends.

1. A
   \( \text{SiBr}_2 \)
2. B
   \( \text{Si}_3\text{Br}_4 \)
3. C
   \( \text{Si}_2\text{Br}_3 \)
4. D
   \( \text{SiBr}_4 \)