Across
- 5. Electronegativity Difference of 0
- 7. The state of matter in which a substance has neither definite volume or shape.
- 9. A chemical bond resulting from the sharing of an electron pair between two atoms.
- 12. A compound composed of two different elements.
- 13. A number assigned to an atom in a molecular compound or ion that indicates the general distribution of electrons among the bonded atoms.
- 18. The energy required to break a chemical bond and form neutral isolated atoms.
- 19. Electronegativity Difference of 0.2
- 23. 6.022 X 1023
- 24. Mass is neither created nor destroyed during ordinary chemical or physical reaction.
- 26. A small whole number that appears in front of a formula in a chemical equation.
- 27. A number assigned to to an atom in a molecular compound or molecular ion that indicated the general distribution of electrons among the bonded atoms.
- 30. Mercury (II) Oxide->.
- 32. A way to ask and answer scientific questions by making observations and doing experiments.
- 34. The state of matter in which the substance has definite volume and shape.
- 37. Potassium
- 38. Electronegativity Difference of 1.9
- 39. A reaction in which two or more substances combine to form a new compound.
- 43. A testable statement.
- 44. Iron
- 45. Dioxide NO2
- 50. The separation of ions that occur when an ionic compound dissolves.
- 51. An Ion that does not take part in a chemical reaction and is found in solution both before and after the reaction.
- 52. The total number of protons and neutrons in the nucleus of an isotope.
- 53. Na
Down
- 1. A mutual electrical attraction between the nuclei and valence electrons of different atoms that binds the atoms together.
- 2. The formation of ions from from solute molecule by the action of the solvent.
- 3. A neutral group of atoms that are held together by covalent bonds.
- 4. The decomposition of substance by an electric current.
- 6. Mass Number - Atomic Number.
- 8. Any compound that of which all or almost all of the dissolved compound exists as ions in aqueous solution.
- 10. AN equation that includes only those compounds and ions that undergo a chemical change in a reaction in an aqueous solution
- 11. The amount of space occupied by an object.
- 14. Carbon + Oxygen->.
- 15. The sum of the average atomic masses of all the atoms represented in the formula of any molecule, formula unit, or ion.
- 16. A reaction in which a substance combines with oxygen, releasing large amount energy in the form of light and heat.
- 17. Having an uneven distribution of charge.
- 19. A ratio derived from the equality between two different units that can be used to convert from one unit to another.
- 20. C
- 21. A high temperature physical state of matter in which atoms lose their electrons.
- 22. The symbols for the element combined in a compound with subscripts showing the smallest whole number mole ratio of the different atoms in the compound.
- 23. A list of elements organized according to the ease with which the elements undergo certain chemical reactions.
- 25. A change in which one or more substances are converted into different substances.
- 28. The ratio of mass to volume or mass divided by volume.
- 29. A compound of which a relatively small amount of the dissolved compound exists as ions in an aqueous solutions.
- 31. A change in a substance that does not involve a change in the identity of the substance.
- 33. The chemical bond resulting from electrical attraction between large numbers of cations and anions.
- 35. A polyatomic ion that contains oxygen.
- 36. Mass/Volume.
- 40. The number of protons in the nucleus of each atom of each element.
- 41. A solid that's produced as a result of a chemical reaction in solution that seperates from the solution.
- 42. A measure of the gravitational pull on matter.
- 46. Atoms of the same element that have different masses.
- 47. The state of matter in which the substance has a definite volume but an indefinite shape.
- 48. The mass of one mole of a pure substance.
- 49. The smallest unit of an element that maintains the properties of that element.