Question 1
The ionization energy of atoms ________.
◦ does not change going down within a group
◦ decreases going down within a group
◦ increases going down within a group
◦ decreases going across a period
◦ none of the above
Question 2
Ionization energy is ________.
◦ higher for potassium than for lithium
◦ the energy an ion acquires from an electron
◦ the energy needed to remove the least tightly bound electron
◦ highest for metals in Group 1A (1)
◦ none of the above