Fill the gaps on the nucleus

Exercise and reference answers

Missing parts

1. Answer

   Becquerel

   Choices

   1. Becquerel
   2. Boltzmann
   3. Bohr

2. Answer

   three

   Choices

   1. three
   2. four
   3. five

3. Answer

   helium

   Choices

   1. helium
   2. hydrogen
   3. hafnium

4. Answer

   8.0

   Choices

   1. 8.0
   2. 3.0
   3. 5.0

Complete the statement

Radioactivity was found by {0} in 1896. There are {1} kinds of decay. Alpha decay emits a {2} nucleus. The binding energy per nucleon is about {3} MeV.

Instructions

Tap a word or figure to drop it into the slot.

Explanation