Answer:
its a feeling accompanied by different situation.
Explanation:
For instance; when we are having a lot of problems,obstacles, hindrances at the path of success we feel pain. Secondly,When we are left by someone then we feel sad.last but not the least while we are getting a lot of love from someone whom we love a lot, at this moment we can feel a state of happiness.
Ionic solids—Made up of positive and negative ions and held together by electrostatic attractions. They're characterized by very high melting points and brittleness and are poor conductors in the solid state. An example of an ionic solid is table salt, NaCl.
Im pretty sure it turns into thermal energy
Atom is the smallest unit retaining properties of elements