how do you Write a balanced chemical equation based on the following description: solid cesium reacts with solid cesium nitrite to form cesium oxide and nitrogen gas.

Option (c) is the correct answer.

Explanation:

A physical model is the representation of an object in order to tell or show the kind of structure, bonding or orientation of the object.

Characteristics of physical models are as follows.

Thus, we can conclude that the statement physical models are usually in the form of a graph is not true about physical models.