1. 2 pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt Basic Chemistry Solutions,Compounds.BondingAcids &Bases Macro- molecules Potpourri

2. The charge of this sub atomic particle is negative.

3. What is an electron.

4. This sub atomic particle is use to determine an element’s atomic number.

5. What is a proton?

6. Carbon has this many electrons available for bonding.

7. What is 4?

8. The creation of a compound such as NaCl is the result of this type of change.

9. What is chemical change?

10. These sub atomic particles are used to determine an element’s atomic mass.

11. What are protons and neutrons?

12. This type of chemical bond occurs when elements share electrons.

13. What is a covalent bond?

14. A combination of substances that are NOT chemically combined.

15. What is a mixture or a solution?

16. The following hydrocarbon CH 3 (CH 2 ) 25 CH 3 has this many carbon molecules.

17. What is 27?

18. The arrow in a chemical equation means this.

19. What is yields?

20. Atoms of two or more elements that are chemically combined are known as this.

21. What are compounds?

22. A pH below 7 is known as this.

23. What is an acid?

24. A pH above 7 is known as this.

25. What is a base?

26. When there is more OH- in a solution than H+, the solution is also known as this.

27. What is a base?

28. A substance that forms hydrogen ion in water is known as this.

29. What is an acid?

30. A scientist wants to study the effects of stress on stomach acidity. He measures the pH of the stomach before difficult exams and easy exams. Please identify the IV, DV and possible controls for this experiment.

31. IV = stress DV = stomach pH Controls = same test for easy, same test for hard, same pH test

32. The main four macromolecules found in living things.

33. What are carbohydrates, proteins, lipids and nucleic acids?

34. Enzymes are examples of this macromolecule.

35. What are proteins?

36. This monomer is the basis for nucleic acids.

37. What is a nucleotide?

38. The identity of A & B respectively.

39. What are A is a saturated fatty acid and B is an unsaturated fatty acid.?

40. Steroids are an example of this macromolecule.

41. What is a lipid?

42. The chemical abbreviation for Sodium is this.

43. What is Na?

44. When elements share electrons this type of bond is said to occur.

45. What is covalent bonding.

46. When one substance is dissolved in another the substance that is dissolved is also known as this.

47. What is a solute?

48. In the following chemical equation the substances on the left (in red) are collectively referred to as this: H + O 2  H 2 O

49. What are reactants?

51. This process is used during polymerization, and releases water when the bonds are formed.

52. What is condensation?