Across
- 3. property also called extrinsic property
- 4. bond in which two atoms share one pair of electrons'
- 9. branch of chemistry that applies physics to the study of chemistry
- 13. zeros used as placeholders in a large number without a decimal point are not significant
- 14. if the number is less than 1, then only the zeros at the end of the number and the zero between nonzero digits are significant
- 15. zeros to the left of the first nonzero digits are not significant
- 17. can be measured and observed without changing the composition of the substance
- 19. for numbers with trailing zero that do not contain a decimal point, the zeros may or may not be significant
- 21. the digits in any measurement that are known with certainty plus one digit which is uncertain
- 23. occur when the internal make-up of the matter stays the same.
- 24. give the number of significant figure of 301 cm
- 27. if the number is greater than 1, then all the zeros written to the right of the decimal point are significant
- 28. all nonzero digits are significant
- 29. process of converting liquid to gas
- 30. process of separating the components of a suspension
- 34. study of inorganic compounds
- 36. composition varies from one position to another
- 38. process of determining the extent of the dimensions, quantity or extent of something
- 42. tells how close a measured value is to the "true" values
- 44. refers to how the values agree closely with one another
- 45. give the number of significant figure of 60.0 min
- 46. process by which a substance changes from the solid phase to the liquid phase
- 48. ability of a substance to react with other substances such as air, water, acid, and base
- 49. ability to scatters a beam or light that passes through it
- 50. process in which a conversion factor written in a form of ratio
Down
- 1. branch of chemistry that studies the structure, properties and reactions of organic compounds
- 2. the separation of a mixture by passing it in solution or suspension
- 5. give the number of significant figure of 2355 mm
- 6. consist of a dispersed phase or the substance that is dissolved or scattered
- 7. in which an ordinary decimal number is expressed as the product of a number between 1 and 10 times 10 raised to a power.
- 8. branch of science concerned with the chemical and physicochemical processes and substances that occur within living organisms.
- 10. substance composed of many identical molecules composed of atoms from more than one element held together by chemical bonds.
- 11. process of separating elemental metals from other particles in a mixture
- 12. process of changing solid to gas
- 16. also called solution
- 18. states that atoms other than hydrogen tend to form bonds until surrounded by eight valence electrons
- 20. composed of two or more substances combined physically
- 22. process of separating a homogeneous mixture composed of two substances with different boiling points.
- 25. property also called as intrinsic property, does not depend on the size of the sample
- 26. aggregate of at least 2 atoms in a definite proportion which bind together using covalent bonds
- 31. studies and uses instruments and methods used to separate, identify, and quantify matter
- 32. occurs when a substance is converted to a new substance
- 33. consist of coarse particles which are visible to the naked eye
- 35. zeros between nonzero digits are significant
- 37. matter that has a definite composition and distinct properties
- 39. give the number of significant figure of 69.4208 ft
- 40. simplest form of matter
- 41. branch of science that deals with the identification of the substances of which matter is composed
- 43. smallest particle of an element
- 47. give the number of significant figure of 0.0580 g