Question 1
Consider the element with the electron configuration [Kr]5s
24d
7. This element is
◦ a representative element.
◦ a transition metal.
◦ a nonmetal.
◦ an actinide element.
◦ a noble gas.
Question 2
Consider the element with the electron configuration [Xe]6s
24f
7. This element is
◦ a representative element
◦ a lanthanide element
◦ a nonmetal
◦ an actinide element
◦ a noble gas