Across
- 2. mass average mass of all isotopes
- 6. different number of neutrons but atoms of the same element
- 8. table a table of the arrangement of elements
- 10. salt forming
- 12. smallest particle of an element
Down
- 1. gases don't normally form compounds
- 3. a material that can be shaped into other shapes
- 4. element which lacks the properties of a metal
- 5. a material which can be pulled into a wire
- 7. elements elements that are good conductors of the electric and & heat
- 9. Symbol a symbol of the element condensed into one or two letters
- 11. positive charged atoms clustered into a center