Across
- 1. energy levels surrounding an atoms nucleucs where electrons are located
- 6. an element named after a scientist
- 8. the tiniest energy dense particle in an atom
- 9. the central part of an atom that contains protons neutrons
- 10. tiny particle the centre of an atom.They make up most of the weight of an atom but are still very small
Down
- 2. What is number 1 on the periodic table
- 3. what is the newest element in the periodic table
- 4. what is number one one eight
- 5. how many protons neutrons and electrons are in a element
- 7. Metals have a shiny appearance due to their ability to reflect light