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What is Chemistry? It "Matters!" Measure- ments Scientific Method Sig Figs Atomic Theory $100 $200 $300 $400 $500.

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Presentation on theme: "What is Chemistry? It "Matters!" Measure- ments Scientific Method Sig Figs Atomic Theory $100 $200 $300 $400 $500."— Presentation transcript:

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4 What is Chemistry? It "Matters!" Measure- ments Scientific Method Sig Figs Atomic Theory $100 $200 $300 $400 $500

5 Periodic Table Electron Configs Bonding Names & Formulas Lewis Dots & VSEPR Grab Bag! $200 $400 $600 $800 $1000

6 Final Jeopardy Periodicity

7 What are ionization energy and electronegativity? One of two chemical properties that tend to be highest in the upper right of the periodic table and lowest in the lower left. Final Jeopardy

8 $100 What is a physical change? The kind of change in which no new substance is formed. What is Chemistry?

9 $200 What is the Law of Conservation of Mass? States that matter cannot be created or destroyed. What is Chemistry?

10 $300 What is a chemical change? The kind of change in which one or more new substances is formed. What is Chemistry?

11 $400 What is nuclear fusion? This process releases tremendous amounts of energy as more than one nucleus merge to form a larger atom. What is Chemistry?

12 $500 What is the First Law of Thermodynamics or the Law of Conservation of Energy? The law that states that energy can change forms, but cannot be created or destroyed. What is Chemistry?

13 $100 What is exothermic? A reaction that gives off heat is called this. It "Matters!"

14 $200 What is a pure element? A substance made of one kind of atom. It "Matters!"

15 $300 What is heterogeneous? A mixture in which the substances are not evenly distributed. It "Matters!"

16 $400 What is liquid? The physical state of a substance in which volume is fixed, but shape is not. It "Matters!"

17 $500 What is absolute zero? The name given to the point when molecular motion essentially stops. It "Matters!"

18 $100 What is precision? The reproducibility of a measurement. Measurements

19 $200 What is 6.02 x 10 23 ? Avogadro’s number. Measurements

20 $300 What are significant figures? These indicate the level of accuracy of the measurement. Measurements

21 $400 What is centi-? This prefix means one hundredth. Measurements

22 $500 What is 1,000? The number of milliliters in a liter. Measurements

23 $100 What are experiments? These are carried out to collect information. Scientific Method

24 $200 What is a hypothesis? Daily Double Scientific Method

25 $300 What are data? The information collected during experimentation. Scientific Method

26 $400 What is the control group? The group used as a basis for comparison in a good experiment. Scientific Method

27 $500 What is the independent variable? The variable deliberately being manipulated in an experiment. Scientific Method

28 $100 What is 1160? The following number expressed in standard form: 1.16 x 10 3 Sig Figs

29 $200 What is one? The number of significant figures in the number 0.0002. Sig Figs

30 $300 What is 4.3 x 10 -4 ? The following number expressed in scientific notation: 0.000 43 Sig Figs

31 $400 What is three? The number of significant figures in the number 6.00. Sig Figs

32 $500 What is four? The number of significant figures in the number: 100,200 Sig Figs

33 $100 What are electrons? Ions are formed when atoms gain or lose these. Atomic Theory

34 $200 What are isotopes? Atoms of the same element with different atomic masses. Atomic Theory

35 $300 What is the number of protons? It is what is represented by the atomic number. Atomic Theory

36 $400 What are protons and neutrons? The atomic mass is the sum of these two subatomic particles. Atomic Theory

37 $500 What is O 2- ? It’s an ion that contains 8 protons, 8 neutrons, and 10 electrons. Atomic Theory

38 $200 What are alkaline earth metals? This group of elements on the periodic table have electron configurations ending with 2 electrons in their outer s orbitals. Periodic Table

39 $400 What are groups (or families)? The name for the vertical columns on the periodic table. Periodic Table

40 $600 What are transition metals? The elements in the d-block on the periodic table are also known by this name. Periodic Table

41 $800 What is hydrogen? The only element that does not belong to a group is this. Periodic Table

42 $1000 What are periods? The name for the horizontal rows on the periodic table. Periodic Table

43 $200 What is phosphorus? It’s last electrons fall into the 3p 3 orbital. Electron Configs

44 $400 What is an orbital? The region within an atom where there is a high probability of finding an electron. Electron Configs

45 $600 What are p-orbitals? These orbitals can contain no more than 6 electrons total. Electron Configs

46 $800 What is the 3 rd energy level? It’s the first energy level to have a d-orbital. Electron Configs

47 $1000 What are valence electrons? It’s what we call the electrons in an atom’s outermost s- and p-orbitals. Electron Configs

48 $200 What is an ionic bond? This type of bond involves the attraction between oppositely charged particles due to the exchange of one or more electrons. Bonding

49 $400 What a cation? It’s another name for a positively charged particle (not sub-atomic). Bonding

50 $600 What are covalent bonds? Daily Double Bonding

51 $800 What is polar? Covalent bonds in which the electrons are shared unequally are called this. Bonding

52 $1000 What are salts? These types of compounds are the result of ionic bonds (usually between a metal and a nonmetal). Bonding

53 $200 What is tetra? It’s the molecular prefix for the number 4. Names & Formulas

54 $400 What is sulfur trioxide? It’s the name for the following compound: SO 3 Names & Formulas

55 $600 What is the charge of the metal? When writing the name of an ionic compound containing a transition metal, a Roman Numeral must be included in the name to indicate what? Names & Formulas

56 $800 What is Pb(SO 3 ) 2 ? It’s the formula for the following compound: lead (IV) sulfite Names & Formulas

57 $1000 What is NH 4 C 2 H 3 O 2 ? It’s the formula for ammonium acetate. Names & Formulas

58 $200 What is the octet rule? It’s the rule that says that atoms are most stable when their s- and p-orbitals are full (containing 8 electrons). Lewis Dots & VSEPR

59 $400 What are lone (or unshared) pairs? Electrons in a compound can be part of bonds or these, both of which influence the shape of the molecule. Lewis Dots & VSEPR

60 $600 What is bent? A compound whose central atom is bonded to 2 other atoms and has 2 lone pairs has a molecular geometry of this. Lewis Dots & VSEPR

61 $800 What is trigonal bipyramidal? This molecular shape is an exception to the octet rule and is an example of an expanded octet, since the central atom has 10 rather than 8 electrons around it. Lewis Dots & VSEPR

62 $1000 What is tetrahedral? The electron geometry for the molecule OF 2 is this. Lewis Dots & VSEPR

63 $200 What is the atomic radius? This is half the distance between two bonded atoms. Grab Bag!

64 $400 What is malleability? Daily Double Grab Bag!

65 $600 What are physical changes? Melting, cutting, dissolving, and freezing are examples of this type of change. Grab Bag!

66 $800 What is conductivity? This property of metals refers to their ability to transfer heat and electricity. Grab Bag!

67 $1000 What is electronegativity? It’s the relative ability of an atom to attract electrons to itself. Grab Bag!

68 Daily Double What is a hypothesis? An educated guess, based on observed facts.

69 Daily Double What is malleability? This property of metals refers to the fact that they can be hammered into sheets.

70 Daily Double What are covalent bonds? These bonds involve sharing of electrons between two atoms.

71 The Jeopardy champion!


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