Match nuclear terms to their meaning

Exercise and reference answers

Matching pairs

1. Left

   Atomic number Z

   Right

   Count of protons in the nucleus

2. Left

   Mass number A

   Right

   Protons plus neutrons together

3. Left

   Isotopes

   Right

   Same Z but a different mass number

4. Left

   Decay constant

   Right

   0.693 divided by the half life

5. Left

   Mass unit u

   Right

   931.5 MeV of energy

Instructions

Tap a nuclear term, then tap the line that says what it counts or means.

Explanation