Across
- 3. a new substance is made during a reaction
- 5. measure if a substance is an acid or basic
- 6. a group of elements bonded together
- 11. the small number next to a element showing how many atoms there are
- 12. average mass of an element
- 13. vertical columns
- 15. 2 or more chemically combined elements
- 17. smallest particle of matter which has protons, neutrons and electrons
- 19. unevenly disturbed mixture
- 20. shiny,conductive, and malleable element
Down
- 1. the number of protons in an element
- 2. Poor conductors, dull, brittle.
- 4. set of chemical symbols and subscripts showing which elements are bonded together to form molecules
- 7. mass stays the same during a reaction
- 8. a new substance is NOT made during a reaction
- 9. the big number next to the element showing how many molecules there are
- 10. evenly distributed mixture
- 14. Elements with properties between metals and nonmetals.
- 16. combination of substances not chemically combined
- 18. a table full of elements