Across
- 1. the state of matter in which a substance has neither definite volume nor definite shape
- 4. the amount of a substance that contains as many particles as there are atoms in exactly 12 g of carbon-12
- 5. a solid that is produced as a result of a chemical reaction
- 9. the sum of the average atomic masses of all the atoms represented in the formula of any molecule, formula unit, or ion
- 10. OH
- 12. the state of matter in which a substance has a definite volume but an indefinite shape
- 18. 2.5-2.1=4---Covalent
- 20. a neutral group of atoms that are held together by covalent bonds
- 21. soluble in water
- 23. Zn
- 24. density x volume
- 26. the formation of ions form solute molecules by the action of the solvent
- 28. a compound composed of two different elements
- 29. AB+CD->AD+CB
- 32. an explanation of how phenomena occur or how data or events are related
- 36. a compound composed of positive and negative ions that are combined so that the charges are equal
- 38. the number of protons in the nucleus of each atom of an element
- 42. (mass of element/total mass)x 100
- 44. K=C+273
- 45. crystal lattice
- 46. mass/density
- 48. the symbols for the elements combined with subscripts showing the smallest whole number ratio of the different atoms in the compound
- 49. formula that indicates the relative numbers of atoms of each kind in a chemical compound by using atomic symbols and numerical subscripts
- 50. a pure substance made of only one kind of atom
- 51. the mass of one mole of a pure substance
- 52. a naming system
- 53. low mp
- 55. a broad generalization that explains a body of facts or phenomena
- 57. 6.022x10^23
- 58. very high mp
- 59. CN
Down
- 2. an ion that does not take part in a chemical reaction and is found in a solution both before and after the reaction
- 3. a measure of the gravitational pull on matter
- 6. a list of elements organized according to the ease with which the elements undergo certain chemical reactions
- 7. a mutual electrical attraction between the nuclei and valence electrons of different atoms that binds the atoms together
- 8. Na
- 11. any compound of which or almost all of the dissolved compound exists as ions in aqueous solution
- 13. the total number of protons and neutrons in the nucleus of an isotope
- 14. mass/volume
- 15. the smallest unit of an element that maintains the properties of an element
- 16. a substance that is made from the atoms of two or more elements that are chemically bonded
- 17. the chemical bond resulting from the electrical attraction between large numbers of cations and anions
- 19. molecules
- 22. having an uneven distribution of charge
- 25. the measurement system accepted worldwide
- 27. a reaction in which a substance combines with oxygen, releasing large amounts of energy in the form of light or heat
- 30. the state of matter in which a substance has definite volume and definite shape
- 31. ((mass)(%)+(mass)(%))/100
- 33. a representation with symbols and formulas of the identities and relative amounts of the reactants and products in a chemical reaction
- 34. M=moles of solute/liters of solution
- 35. the amount of space occupied by an object
- 37. a formula showing the types and numbers of atoms combined in a single molecule of a molecular compound
- 39. a number that appears in front of a formula in a chemical equation
- 40. an ion formed from a single atom
- 41. a compound of which a relatively small amount of the dissolved compound exists as ions in an aqueous solution
- 43. a representation of the reactants and products of a chemical reaction by their symbols or formulas
- 47. an equation that includes only those compounds and ions that undergo a chemical change and reaction in an aqueous solution
- 54. CxHy+->CO2+H20
- 56. Hg