Question

1. in which state of matter are the particles moving the slowest?

gas

vapor

liquid

solid

Explanation:

In solids, particles are closely packed in a fixed arrangement and vibrate in place, having the least kinetic energy (and thus slowest movement) compared to liquids (particles slide past each other) and gases/vapors (particles move freely and rapidly). Vapor is a gaseous state, so its particles move fast.

Answer:

D. solid