Across
- 5. A neutral group of atoms that are held together by covalent bonds
- 8. A homogeneous mixture of two or more substances uniformly dispersed throughout a single phase
- 9. The number of atoms or molecules in 1 mol
- 11. A substance or molecule that participates in a chemical reaction
- 12. The SI base unit used to measure the amount of a substance whose number of particles is the same as the number of atoms of carbon in exactly 12 g of carbon-12
- 15. The measured amount of a product of a reaction
- 20. The percentage by mass of each element in a compound
- 26. The maximum amount of product that can be produced from a given amount of reactant
- 28. A substance that dissolves in water to give a solution that conducts an electric current
- 29. Composed of dissimilar components
- 30. Reactant The substance that controls the quantity of product that can form in a chemical reaction
- 32. In a solution, the substance in which the solute dissolves
- 33. An explanation for swome phenomenon that is based on observation, experimentation and reasoning
- 34. Describes two or more liquids that can dissolve into each other in various proportions
- 35. An atom or molecule that has gained or lost one or more electrons and has a negative or positive charge
- 36. A solution that cannot dissolve any more solute under the given conditions
- 38. A chemical formula wthat shows the number and kinds of atoms in a molecule but not the arrangement of the atoms
- 39. In a solution, the substance that dissolves in the solvent
- 42. An ion made of two or more atoms
- 43. A method of expressing a quantity as a number multiplied by 10 to the appropriate powere
- 44. A solution that contains less solute than a saturated solution does and that is able to dissolve additional solute
Down
- 1. The law that states that a chemical compound always contains the same elements in exactly the same proportions by weight or mass
- 2. A solution that holds more dissolved solute than is required to reeach equilibrium at a given temperature
- 3. A chemical compound whose simplest units are molecules
- 4. The ability of one substance to dissolve in another at a given temperature and pressure
- 6. An ion formed from a single atom
- 7. A substance that dissolves in water to give a solution that does not conduct an electric current
- 10. The concentration of a solution expressed in moles of solute per kilogram of solvent
- 13. The ratio of the actual yield to the theoretical yield, multiplied by 100
- 14. The ratio of the mass of a substance to the volume of the substance
- 16. The law that states that mass cannot be created or destroyed in ordinary chemical and physical changes
- 17. An ion that has a negative charge
- 18. A compound composed of ions bound together by electrostatic attraction
- 19. Describes something that has a uniform structure or composition throughout
- 21. A chemical formula that shows the composition of a compound in terms of the realtive numbers and kinds of atoms in the simplest ratio
- 22. A combination of chemical symbols and numbers to represent a substance
- 23. A representation of a chemical reaction that uses symbols to show the realtionship between the reactants and the products
- 24. A small whole number that appears as a factor in front of a formula in a chemical equation
- 25. A substance that forms in a chemical reaction
- 27. A conversion factor that relates the amounts in moles of any two substances involved in a chemical reaction
- 31. A mathmatical technique that allows one to use units to solve problems involving measurements
- 37. The mass in grames of 1 mol of a substance
- 40. An ion that has a positive charge
- 41. An explanation that is based on prior scientific research or observations and that can be tested