How to tell if an element is unstable? (1 Viewer)

[girlworld_club]

like in a multiple choice question in hsc you're given a list of elements.

 

[HeroicPandas]

Look at n : p ratio (neutron to proton ratio) - a very high/low neutron to proton ratio means the element is unstable

For the easy ones, unstable elements are Z > 83 (where Z = no. of protons)

 

[girlworld_club]

are all transuranic elements unstable>

 

[madharris]

are all transuranic elements unstable>

yes because they have an atomic number of over 83