Question

question 13 1 pts elements in group 8a are known as the ______. chalcogens halogens alkali metals alkaline earth metals noble gases question 14 1 pts potassium is a ____ and chlorine is a ______. nonmetal, metal metal, metalloid metal, metal metal, nonmetal metalloid, nonmetal

Explanation:

• For Question 13: Elements in Group 8A of the periodic table are characterized by their full - valence electron shells, making them very stable and unreactive under normal conditions, and they are known as noble gases.
• For Question 14: Potassium is a highly reactive metal that readily donates electrons. Chlorine is a non - metal that readily accepts electrons to achieve a stable electron configuration.

Answer:

Question 13: E. noble gases
Question 14: D. metal, nonmetal