Across
- 3. Two or more elements or compounds mixed physically.
- 4. Protons and neutrons are inside the ....... of an atom.
- 6. Subatomic particle with negative charge.
- 9. The only non-metal element that can conduct electricity.
- 10. A method to separate soluble and insoluble materials in water.
Down
- 1. A method to separate an insoluble solid from a mixture of solid and liquid.
- 2. Neutral particles made up of two or more atoms.
- 5. Simplest form of substance.
- 7. Two or more elements combined chemically.
- 8. Non-metals are brittle while metals are .......