Across
- 4. tabel: A table of the elements,arranged in order of increasing atomic number, based on the periodic law
- 6. Ability to be hammered into different shapes
- 8. Ability to be drawn into a wire
- 11. The measure of the ease at which an electric charge or heat can pass through a material
- 13. Having a shiny surface or reflecting light brightly
- 15. Anything that has mass and takes up space
Down
- 1. There are 7 periods that run from left toright horizontally
- 2. The basic unit that makes up all matter
- 3. The negatively charged sub-atomic particle found in the space around nucleus
- 5. A pure substance that is made of only one type of atom
- 7. number: The number of protons in the nucleus of an atom
- 9. There are 18 groups that run from top to bottom
- 10. The large particle in the nucleus of an atom that has no charge
- 12. mass: The sum total of electrons and neutrons in the atom
- 14. The positively charged sub-atomic particle found in the nucleus of an atom
