Which of the following statements about chlorine and iodine at room temperature is correct?

Assessment: WAEC SSCE - Chemistry - 2010 (Objective) Subject: Chemistry

Question 1 Report

Which of the following statements about chlorine and iodine at room temperature is correct?
Answer Details
Chlorine and iodine are both nonmetals that exist as diatomic molecules, which means they are made up of two atoms of the same element. At room temperature (around 25°C or 77°F), chlorine is a yellow-green gas, while iodine is a shiny black or purple solid. Therefore, the correct statement is: "Chlorine is a gas and iodine is a solid."
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