matter

3. Electrons are a type of subatomic particle with a negative charge
4. a measure of how compact the mass in a substance or object is.
6. the amount of space occupied by any three-dimensional solid.
7. quantitative measure of inertia, a fundamental property of all matter
9. property any property that can be observed using the five senses or can be measured without changing the matter
10. a tiny particle
12. A basic part of a whole

1. property a specific characteristic of a substance like an element or a compound, relating to how it can change as a result of a reaction
2. a subatomic particle with a positive electrical charge
5. the amount or quantity of heaviness or mass; amount a thing weighs.
8. formed when two or more substances are mixed but are NOT chemically combined.
11. anything that up space