Atomic structure and ionising radiation

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Question 28
Easy

The table below shows information about four different nuclei.

Thorium-228Protactinium-231Uranium-232Uranium-235
90228Th{}^{228}_{90}\text{Th}90228​Th91231Pa{}^{231}_{91}\text{Pa}91231​Pa92232U{}^{232}_{92}\text{U}92232​U92235U{}^{235}_{92}\text{U}92235​U

Which two nuclei have the same number of neutrons?

Thorium-228 and protactinium-231

Protactinium-231 and uranium-232

Uranium-232 and uranium-235

Thorium-228 and uranium-232

Atomic structure and ionising radiation Questions

  1. GCSE
  2. /Physics
  3. /Atomic structure and ionising radiation