Across
- 1. elements in the same _____ has similar properties
- 4. the first metalloid on the periodic table
- 6. element with the atomic mass of 1.008
- 9. a pure substance made from only one type of atom
- 11. Dimitri Mendeleev AKA the _____ of the P-Table.
- 12. elements are arranged by increasing ______number
- 14. most of the elements on the right side are __
- 15. a left to right row on the P-table
- 16. an element in group 1, period 2 of the P-table
Down
- 2. elements are found on this table
- 3. element with 8 protons and 8 electrons
- 5. H, He, Au, Ni are all examples of chemical ______
- 7. element with the atomic number of 10
- 8. a shiny substances that conducts electricity
- 10. element number 26 on the P-table
- 13. the weight of protons + neutrons