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. Ion...

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

Answer Details

Ionization energy and electron affinity increase across a period, and decrease down a group.