a) The general outer electron configuration of a halogen is:
This physics problem tests your understanding of fundamental physical laws and their applications. The step-by-step solution below breaks down the problem using relevant equations and physical reasoning.
ScanSolve AI Answer
Here are the answers to the questions:
a) The general outer electron configuration of a halogen is:
$$ns^2 np^5$$
where $n$ is the principal quantum number.
b) The colors of the common halogens are:
• Fluorine ($\text{F}_2$): Pale yellow gas
• Chlorine ($\text{Cl}_2$): Greenish-yellow gas
• Bromine ($\text{Br}_2$): Reddish-brown liquid
• Iodine ($\text{I}_2$): Greyish-black solid (produces purple vapor)
