Across
- 2. Is made up of different elements or compounds simply thrown together and therefore can be separately by simple techniques such ad filtration and evaporation
- 3. Located around of the nucleus
- 5. A substance made up of molecules or a crystal lattice with different types of atoms.
- 8. Are made up of all matter
- 9. have defined shaped, they do not flow and cannot be compressed.
Down
- 1. have no definite shape, but take up the shape of the bottom of a container
- 3. Is a substance made up of just one type of atom
- 4. Is also located in the centre of the nucleus
- 6. Is in the centre of the nucleus
- 7. have no fixed shaped, they spread to completely fill a container
- 10. of Conservation of Mass The total mass of the reactants is the same as the total mass of the products.