chemistry
Across
- 1. concentration measured by the number of moles of solute per kilogram of solvent
- 2. used to head substances at a very high temperature
- 3. a pair of pincers or tweezers used in surgery or in a laboratory.
- 8. used to grind paste or powder
- 11. the chemical element of atomic number 54
- 13. concentration measured by the number of moles of solute per liter of solution
- 17. use for combining chemicals
- 18. the chemical element of atomic number 25
- 19. the chemical element of atomic number 29
- 21. a substance that takes part in and undergoes change during a reaction.
- 24. a tube or pipe that is wide at the top and narrow at the bottom, used for guiding liquid or powder into a small opening.
Down
- 1. used for magnifying small objects.
- 4. a lipped cylindrical glass container for laboratory use.
- 5. used to spread heat
- 6. are sources of heat
- 7. use to measure temperature
- 8. a group of atoms bonded together
- 9. the mass of an atom of a chemical element expressed in atomic mass units
- 10. the chemical element of atomic number 79
- 12. the chemical element of atomic number 36
- 14. the chemical element of atomic number 39
- 15. the chemical element of atomic number 1
- 16. the chemical element of atomic number 97
- 20. the chemical element of atomic number 8
- 22. the basic unit of a chemical element.
- 23. used to pick large amount of solution