Home > Chemistry > Atomic StructureWhich element has the following electron configuration: [Kr] 5s² 4d¹⁰ 5p⁵?A. Iodine B. Astatine C. Xenon D. RadonAnswer: AstatineAdditional Information: This configuration corresponds to Astatine (At), atomic number 85. Subjects: Atomic Structure, ChemistryRelated MCQsWhat is the term for an atom that has lost one or more electrons?Which subatomic particle is responsible for chemical bonding?What is the common charge of a nitrate ion (NO₃⁻)?What is the main factor that affects the reactivity of an atom?How many orbitals are in a p-subshell?What is the term for the temperature at which a liquid boils?What is the primary force holding the nucleus together?Which atomic model introduced the concept of electron orbits?What is the term for the number of moles of solute per liter of solution?What is the term for a solution that has a pH less than 7?What is the primary role of the cell membrane?What is the term for the process of breathing?Which of the following is an example of a diatomic molecule?What is the common state of matter for most elements at room temperature?What happens to an atom when it loses an electron?