Question

With reference to the variation of properties in the Periodic table, which of the following is generally true?

Options

• Atomic size increases from left to right across a period.

• Ionization potential increases from left to right across a period.

• Electron affinity increases going down a group.

• Electro-negativity increases going down a group. 

Answer 1

Ionization potential increases from left to right across a period.