Across
- 4. When there is no force of attraction between the molecules and the molecules spread out as much as possible
- 6. A type of mixture when the particles are distributed unevenly and some parts of the substance will have different compositions
- 7. Compounds will always exist in a certain
- 9. A substance that is made up of thousands of one type of atom
- 10. Two or more substances physically combined
- 11. The number on the bottom right corner of an element in a chemical formula,
Down
- 1. Anything that has mass and takes up space
- 2. When the molecules are pretty close together, but are not tightly packed. There is a force of attraction between the molecules but it is not so strong
- 3. reaction A compound is both formed and separated by a
- 5. When the molecules are packed closely together and there is a powerful force of attraction between particles
- 6. A mixture in which all the types of particles are evenly spread out and each sample of the mixture has the same distribution of particles
- 8. A substance made from 2 or more elements bonded together by chemical bonds