Question

1. change the coefficient for hydrogen by clicking the up arrow next to the hydrogen molecule. observe the particle image of hydrogen gas that appears. determine what each white sphere represents in the particle image. i need a hint hydrogen atoms hydrogen molecules nitrogen atoms

Explanation:

In a hydrogen gas ($H_2$) particle - image, hydrogen is composed of hydrogen atoms. Each $H_2$ molecule has 2 hydrogen atoms. The white spheres represent the most basic unit of hydrogen in this context, which are hydrogen atoms.

Answer:

Hydrogen atoms