Across
- 3. the smallest building blocks of matter
- 4. two parts hydrogen, one part oxygen
- 6. the amount of space something takes up
- 9. more than one of the same element combined
- 10. two or more different elements combined
- 12. an element with similar chemical properties to gold
- 15. neutral particles in the nucleus of an atom
- 16. anything that has mass and takes up space
Down
- 1. we measure this using grams
- 2. an element with similar chemical properties to Potassium
- 5. examples of this are hydgrogen and gold
- 7. negative particles floating around the nucleus of an atom
- 8. positive particles in the nucleus of an atom
- 11. Hg
- 13. He
- 14. Number the number of protons or electrons in an element