Across
- 1. the name given to the vertical columns on the periodic table
- 4. this element has a mass number of 63.5
- 8. what element can be found in group 7, period 2
- 9. this represents the number of protons in an atoms nucleus
- 11. what element can be found in group 0, period 1
- 13. the chemical formula Lithium Hydroxide
- 14. the smallest part of a chemical element
- 16. the solution with the formula 'HCL'
Down
- 2. this element has an atomic number of 78
- 3. the elements on the right-hand side of the table are all...
- 5. a substance containing only one type of atom and listed on the periodic table
- 6. this element has an atomic number of 5
- 7. the elements on the periodic table are organised by this
- 10. this element has a mass number of 56
- 12. the name given to the horizontal rows on the periodic table
- 15. two or more atoms chemically joined together