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