Across
- 3. definite volume and indefinite shape
- 5. used to grab hot item in the lab.
- 7. name of elements in group 17 (7A)
- 8. larger units of matter that consist of two or more atoms.
- 10. a property that indicates heat flow
- 12. substance made of two or more elements in a fixed ratio.
- 14. very radioactive element
- 15. state of matter with the highest kinetic energy
- 16. one of the main electrolytes
- 19. the smallest distinct units in a sample of matter
- 20. An ionic solid consisting of oppositely charged ions.
- 23. Positively charged ions.
- 25. most elements in the periodic table.
- 26. the study of the composition, structure, properties and behavior of matter.
- 27. how close a set of measurements agree with each other.
Down
- 1. chemical symbol W
- 2. the father of the periodic table
- 4. a mixture that has the same composition throughout.
- 6. water does this at 100 degress celcius
- 7. varies in composition (and/or properties) from one part of the mixture to another
- 9. when substances change from solid to liquid.
- 11. atoms are tightly packed together and just vibrate in place.
- 13. Atoms with the same number of protons, but a different number of neutrons.
- 17. Negatively charged ions.
- 18. substances composed of only one type of atom.
- 21. how close the average of a set of measurements comes to the “correct” value.
- 22. most used element in jewelry
- 24. one of only two liquid elements at room temperature