Across
- 5. the table containing all of the known elements
- 6. A substance that has a fixed volume and takes the shape of its container.
- 8. a substance made of just one type of atom
- 9. A positively charged ion.
- 10. a liquid mixture where one substance is uniformly mixed within another
- 11. A scale that measures the acidity or alkalinity of a solution
- 12. the state of matter with the most kinetic energy
- 15. Positively charged sub-atomic particles found in the nucleus of an atom.
- 16. An element that is shiny and conducts electricity in the solid state
Down
- 1. negatively charged sub-atomic particle
- 2. a type of bond that involves charges
- 3. A vertical column of elements in the Periodic Table
- 4. The process by which a vapour or a gas turns to liquid on cooling
- 7. Atoms of the same element that have the same atomic number but different mass numbers
- 9. two or more different elements chemically bonded together
- 13. The smallest particle of an element
- 14. A material that is typically hard, shiny and conducts electricity.