Question

according to the kinetic molecular theory, what determines the state of matter? a the particle speed and spacing b size of the particles c type of element d number of atoms

Explanation:

The kinetic molecular theory states that the state of matter (solid, liquid, gas) is determined by the motion (speed) and the distance (spacing) between the particles. Particle size, type of element, and number of atoms do not determine the state of matter. So option A is correct.

Answer:

A. The particle speed and spacing