In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.

Question: The sum of the kinetic and potential energies of a system’s atoms and molecules is called what? Answer: internal energy
The sum of the kinetic and potential energies of a system’s atoms and molecules is called internal energy.

Question: What property is the result of the force of gravity being opposed by the normal force? Answer: weight
Weight is the result of the force of gravity being opposed by the normal force.

Question: Radioactive nuclei and particles are represented by which symbols? Answer: nuclear

Radioactive nuclei and particles are represented by nuclear symbols.

