Question

definition of 1) volume 2) pure substance 3) density 4) molecule. FOLLOW ME FOLLOW BACK​

Answer 1

1. The amount of space that something contains or fills.

2. A chemical substance is a form of matter having constant chemical composition and characteristic properties. Some references add that chemical substance cannot be separated into its constituent elements by physical separation methods, i.e., without breaking chemical bonds.

3. The number of things or people in a place in relation to its area.

4. The smallest unit into which a substance can be divided without changing its chemical nature

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