Spot the one that does not fit

Exercise and reference answers

Questions

1. Items

   1. Anion is bigger
   2. Cation is smaller
   3. Fewer electrons
   4. Charge unchanged

   Odd item

   Anion is bigger

2. Items

   1. Ionisation value
   2. Electron gain one
   3. Ionic radius
   4. Electronegativity

   Odd item

   Electronegativity

3. Items

   1. Across a period
   2. Size falls
   3. Nuclear pull rises
   4. Size rises

   Odd item

   Size rises

4. Items

   1. Same electrons
   2. Isoelectronic
   3. Different nuclei
   4. Same radius

   Odd item

   Same radius

Instructions

Tap the item that does not belong with the rest.

Explanation