A measure of the number of particles of a substance in a given volume would be concentration. <span>In chemistry, </span>concentration<span> is the abundance of a constituent divided by the total volume of a mixture. There are a number of ways expressing it such as molarity, molality, normality, ppm, percentage and the like.</span>
C: The arrangement and movement of the particles in the substance. Solid particles vibrate and are compact. Liquid slide past each other and are close together. Gas particles are fast moving and very spread out.
Answer:
Either A or C but A is a bit more true
Explanation:
You can measure one on option C but you can measure both
on answer A. Hope this helps you out.
