Question

what is density?
what is particle of matter​

Answer 1

Answer:

Density-The density (more precisely, the volumetric mass density; also known as specific mass), of a substance is its mass per unit volume.

All matter is made up of particles that are incredibly small - much too small to see with the naked eye. The particles can be atoms or combinations of atoms that are bonded. There are forces between the particles. The particles in matter are always moving. The more energy they have, the faster they move.

Explanation:

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