JAMB - Chemistry (2019 - No. 32)
Which of the following properties increases from left to right along the period but decreases down the group in the Periodic Table?
i. Atomic Number ii. Ionization energy iii. Metallic character iv. Electron affinity
i. Atomic Number ii. Ionization energy iii. Metallic character iv. Electron affinity
ii and iii only
ii and iv only
iii and iv only
i and ii only
คำอธิบาย
Ionization energy and electron affinity increase across a period, and decrease down a group.