Across
- 5. - is an effective method to separate mixtures comprised of two or more pure liquids.
- 6. – substance that is dissolved or scattered and dispersing medium.
- 7. -the ability of a substance to dissolve in another substance.
- 8. – refers to the agreement of a particular value with the true value.
- 10. -it is when a substances react with each other and form one or more new substances.
- 12. – a zero that always counts as a significant figure.
- 15. property -a matter that can be observed without changing the matter’s identity.
- 20. a negatively charged ion.
- 21. – a zero that are only significant if the number contains a decimal point.
- 25. - branch of science that deals with the identification of the substances of which matter is composed.
- 26. – A state of matter that have an indefinite shape and indefinite volume.
- 28. – a positively charged ion.
- 29. - a method in which two or more components of different sizes are separated from a mixture on the basis of the difference in their sizes.
- 30. – accompanied by or requiring the absorption of heat.
- 31. – the ability of a substance to be pulled into a wire.
- 32. – A zero that does not count as significant figures.
- 33. – the mass per unit volume of a substance.
- 38. - a technique used to separate out homogenous mixtures where there is one or more dissolved solids.
- 42. -uniterm in composition.
- 43. – composed of an atom.
- 45. – the transition of substance directly from the solid to the gas state.
- 46. – is the separation of a mixture by passing it in solution or suspension or as a vapor (as in gas chromatography) through a medium in which the components move at different rates.
- 47. – A type of error that occurs in the same direction each time. Often resulting from poor technique.
- 48. – the ability of a substance to be rolled or pounded into thin sheets
Down
- 1. definite composition.
- 2. TABLE – a organized chart of all the elements.
- 3. – a branch of chemistry that deals with the study of separation, identification, and quantification of chemical components of natural and artificial materials.
- 4. – 2 or more substances compound physically in variable proponents.
- 9. – it has indefinite shape and a definite volume, takes shape of a container.
- 11. – a branch of chemistry that deals with the study of compounds that are not covered by organic chemistry.
- 12. -type of matter and the way matter is arranged.
- 13. – a chemical reaction that releases energy.
- 14. - separation method used to separate out pure substances in mixtures comprised of particles some of which are large enough in size to be captured with a porous material.
- 16. – a type of error wherein the measurement has an equal probability of being high or low.
- 17. - the ability of a chemical to burn or ignite, causing fire combustion.
- 18. - is a form of matter in which many of the electrons wander around freely among the nuclei of the atoms.
- 19. - is the method in which heavier components of the mixture are separated from the lighter substances with the help of wind.
- 22. – a property that describes a substances ability to participate in chemical reaction.
- 23. – type of chemical bonding wherein it involves the electrostatic attraction between oppositely charged ions.
- 24. – a branch of chemistry which deals with the study of compounds that contain the element carbon and hydrogen.
- 27. – Any substance that has mass and takes up space.
- 34. – consist of coarse particles which are visible to the naked eye
- 35. composed of 2 or more atom.
- 36. – is when a substance goes from gas to solid.
- 37. – A branch of chemistry that deals with the study of physics and math.
- 39. – the degree to which a chemical substance or a particular mixture of substance can damage an organism.
- 40. -the ability of two or more substances to chemical combine and form one more new substances.
- 41. – a branch of chemistry that deals with the study of chemical processes that occur inside of living organisms.
- 44. – it has a definite shape and a definite volume.