Spot the Lie: Periodic Trends (ISC 12)

Exercise and reference answers

Questions

1. False statement

   Electronegativity decreases across a period.

   Statements

   1. Atomic radius decreases across a period left to right.
   2. Ionization energy increases across a period.
   3. Electronegativity decreases across a period.

2. False statement

   Ionization energy increases down a group.

   Statements

   1. Ionization energy increases down a group.
   2. Atomic radius increases down a group.
   3. Metallic character increases down a group.

3. False statement

   Group 1 metals have the highest electronegativity.

   Statements

   1. Fluorine is the most electronegative element.
   2. Group 1 metals have the highest electronegativity.
   3. Noble gases have very high ionization energies.

Instructions

Two statements are true, one is a lie. Tap the lie.