Across
- 3. first person to make a periodic table by increasing atomic mass but was not published due to incompleteness.
- 6. These type of elements are dull and poor conductors.
Down
- 1. made the first published periodic table.
- 2. These type of elements have both metals and nonmetals
- 4. Moseley designed the modern periodic table by increasing _____ _____.
- 5. These type of elements are shiny and Good conductors.