1. Chemistry 101! http://www.voki.com/pickup.php?scid=4947569&height=267&width=200 http://www.voki.com/pickup.php?scid=4947569&height=267&width=200 What is temperature? What is absolute zero? Electron is a negatively charged subatomic particle Mass number is the total number of protons and neutrons in the nucleus of an atom. An atomic number is the number of protons in the nucleus of an element The weighted average of the mass of the atoms in a naturally occurring sample of an element. What is the difference between atomic mass and an atomic mass unit? An atomic mass is one twelfth of the mass of the mass of a carbon-12 atom and an atomic mass unit is an element that is weighted average mass of the atoms in a naturally occurring sample of the element. What are two ways that isotopes of an element differ? They have different numbers of neutrons and different mass numbers. How are electrons arranged? Electrons arranged in various orbitals. The transfer of energy by electromagnetic waves is called? Radiation What is visible light? Radio waves have the lowest photon energy. What are gamma rays? What types of info is given from electron configurations? The location of the element and its sorted in to noble gasses. How many electrons had been identified by the 1700? Who was Dmitri Mendeleev? What’s the info that can be included in a periodic table? The symbols and names of the elements, along with info about the structure of their atoms. Ions form when electrons are transferred between atoms. What is an electron dot structure? A diagram that shows valence electrons as dots. What are valence electrons? The electrons in the highest occupied energy level of an elements atoms.

2. 2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt Chapters1-3Chapters 7-8Chapter 9Chapter 10Chapters4-5

3. Chapter 1-3 1 point What is the five traditional areas into which chemistry can be divided?

4. The five tradtional areas of study are organic chemistry, inorganic chemistry, biochemistry, analytical chemistry, and physical chemistry.

5. Chapter 1-3 2 points What is a way chemists develop new materials, what is their goal?

6. Chemists design materials to fit specific needs.

7. Chapter 1-3 3 points What are the two categories used to classify properties of matter?

8. The properties used to describe matter are extensive or intensive.

9. Chapter 1-3 4 points What is the measurements relating to experimental science?

10. Measurements are fundamental to the experimental sciences.

11. Chapter 1-3 5 points What is the determination of the density of an object?

12. Depends only on the composition of a substance, not on the size of the sample.

13. Chapter 4-5 1 Point What is the instrument that can be used to observe individual atoms?

14. Individual atoms are observable with instruments such as scanning tunneling microscopes.

15. Chapter 4-5 2 Points What is the three types of subatomic particles?

16. Three kinds of subatomic particles, are electrons, protons, and neutrons.

17. Chapter 4-5 3 Points What is the equations that tell you how to calculate the number of neutrons in an atom?

18. The number of neutrons in an atom is the difference between the mass number and atomic number.

19. Chapter 4-5 4 points What is distinguishing the atoms of one element from the atoms of another?

20. Elements are different because they contain different numbers of protons.

21. Chapters 4-5 5 Points What is the quantum mechanical model determine about electrons in atoms?

22. The quantum mechanical model determines the allowed energies an electron can have and how likely it is to find the electron in various locations around the nucleus.

23. Chapter 7-8 1 Point What is the cations form?

24. An atom’s loss of valence electrons produces a cation, or a positively charged ion.

25. Chapter 7-8 2 points What is the alloys more useful than pure metals?

26. Alloys are important because their properties are often superior to those of their component elements.

27. Chapters 7-8 3 points What is the information that molecular formula provide?

28. A molecular formula shows how many atoms of each element a molecule contains.

29. Chapters 7-8 4 points What is the strength of a covalent bond related to its bond dissociation energy?

30. Atoms form double or triple covalent bonds if they can attain a noble gas structure by sharing two pairs or three pairs of electrons.

31. Chapter 7-8 5 Points What is the orbital hybrization useful in describing molecules?

32. Orbital hybridization provides information about both molecular bonding and molecular shape.

33. Chapter 9 1 Point What is the usual endings for the names of polyatomic ions?

34. The names of most polyatomic anions end in – ite or –ate.

35. Chapter 9 2 Points What is the charges of Group a metal and nonmetal ions are related to their positions in the periodic table?

36. When the metals in Groups 1A, 2A, and 3A lose electrons, they form cations with positive charges equal to their group number.

37. Chapter 9 3 Points What is the way to determine the names of binary compounds?

38. To name any binary ionic compound, place the cation name first, followed by the anion name.

39. Chapter 9 4 Points What is the way to write the formula for binary ionic compounds?

40. Write the symbol for the cation followed by the formula for the polyatomic ion and balance the charges.

41. Chapter 9 5 Points What is the rules for naming acids?

42. The rules for writing the names of acids in reverse to write the formulas for acids.

43. Chapter 10 1 Point What is the three ways to measure the amount of something?

44. You often measure the amount of something by one of three different methods-by count, by mass, and by volume.

45. Chapter 10 2 Points What is the atomic mass of an element related to the molar mass of the element?

46. The atomic mass of an element expressed in grams is the mass of a mole of the element.

47. Chapter 10 3 Points What is the way to convert between the mass and the number of moles of a substance?

48. Use the molar mass of an element or compound to convert between the mass of a substance and the moles of a substance.

49. Chapter 10 4 Points What is the way to calculate the percent by mass of an element in a compound?

50. The percent by mass of an element in a compound is the number of grams of the element divided by the mass in grams of the compound, multiplied by 100%.

51. Chapter 10 5 Points What is the information that you can obtain from an empirical formula?

52. The empirical formula of a compound shows the smallest wholes-number ration of the atoms in the compound.

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54. D T P Q J I S P C M Q Q D P B I N B O M Z H N O B T U N P C A Z O Q L D U L G U V D O N W T Q J B U A E T M S N H B W K O N C P N C R Y F O Z S T J Z M V A I U E F B B L O N N T Z I A I L N Y G R O N C J E P A C T E D D O A O Y N J F L J F E M V C Z L I Z R V D S A H S Q M P Z O R D S U D I O V R L T G V P R D W X V X Y D O Q E M V N O S E C Z D H C H C F X N O U V A N D E R H E A L S F N N O I O I S R E P S I D Z P B E L O P I D D E E Z P J A K COVALENTBOND DIATOMIC DIPOLE DISPERSIOION HYDROGENBOND IONIC MOLECULE NONPOLARBOND POLARBOND VANDERHEALS

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