Question

Why silicon as a solid at room temperature and why is chlorine as a gas?

Answer 1

Answer:

Explanation:silicon is a solid having extensive covalent bonding which makes itt essentialy a solid at room temperature whereas

Chlorine gas ia gas at room temp due to is high volatility as well as less extensive bonding. Chlorine is larger sized unlike fluourine making it bond weakly and in turn give less bond strength and more ability to escape as gaseous state

Answer 2

Simple :


Because they are stable in that particular state at room temperature.
ie ; silicon as solid ,
Chlorine as gas ,
H2O as liquid .