Spot the one that does not fit

Exercise and reference answers

Questions

1. Items

   1. Isobars
   2. Alpha decay
   3. Beta decay
   4. Gamma decay

   Odd item

   Isobars

2. Items

   1. Becquerel
   2. 1896
   3. Fluorescence
   4. Avogadro

   Odd item

   Avogadro

3. Items

   1. Mass defect
   2. Binding energy
   3. 8.0 MeV
   4. Isotopes

   Odd item

   Isotopes

4. Items

   1. Helium nucleus
   2. Electron
   3. Positron
   4. Photon

   Odd item

   Photon

Instructions

Tap the item that does not belong with the rest.

Explanation