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In the space below, write the unabbreviated electron configurations of the following elements: 1) sodium ________________________________________________ 1s^2 2s^2 2p^6 3s 2) iron ________________________________________________ 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^6 d=n-l 3) bromine ________________________________________________ 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^5 4) barium 1s^2 ________________________________________________ 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6 5s^2 4d^10 5p^6 6s^2 5) neptunium 1s^2 ________________________________________________ 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6 5s^2 4d^10 5p^6 6s^2 5d^10 6p^6 7s^2 5f^5 In the space below, write the abbreviated electron configurations of the following elements: 6) cobalt ________________________________________________ [Ar] 4s^2 3d^7 7) silver ________________________________________________ [Ag] 5s^2 4d^10 8) tellurium ________________________________________________ [Te] 5s^2 4d^10 5p^4 9) radium ________________________________________________ [Ra] 7s^2 10) lawrencium ________________________________________________ [Lr] 7s^2 5f^14 6d^1 Determine what elements are denoted by the following electron configurations: 11) 1s²s²2p⁶3s²3p⁴ ____________________ sulfur 12) 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s¹ ____________________ rubidium 13) [Kr] 5s²4d¹⁰5p³ ____________________ antimony 14) [Xe] 6s²4f¹⁴5d⁶ ____________________ osmium 15) [Rn] 7s²5f¹¹ ____________________ einsteinium Identify the element or determine that it is not a valid electron configuration: 16) 1s²2s²2p⁶3s²3p⁶4s²4d¹⁰4p⁵ ____________________ not valid 4d is not right 17) 1s²2s²2p⁶3s³3d⁵ ____________________ not valid 3p is ahead of it 18) [Ra] 7s²5f⁸ ____________________ not valid not a noble gas 19) [Kr] 5s²4d¹⁰5p⁵ ____________________ valid iodine 20) [Xe] ____________________ not valid 1)sodium 1s 2 2s 2 2p 6 3s 1 2)iron 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 6 3)bromine 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 10 4p 5 4)barium 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 10 4p 6 5s 2 4d 10 5p 6 6s 2 5)neptunium 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 10 4p 6 5s 2 4d 10 5p 6 6s 2 4f 14 5d 10 6p 6 7s 2 5f 5 6)cobalt [Ar] 4s 2 3d 7 7)silver [Kr] 5s 2 4d 9 8)tellurium[Kr] 5s 2 4d 10 5p 4 9)radium [Rn] 7s 2 10)lawrencium[Rn] 7s 2 5f 14 6d 1 1s 2 2s 2 2p 6 3s 2 3p 4 sulfur 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 10 4p 6 5s 1 rubidium [Kr] 5s 2 4d 10 5p 3 antimony [Xe] 6s 2 4f 14 5d 6 osmium [Rn] 7s 2 5f 11 einsteinium 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 4d 10 4p 5 not valid (take a look at “4d”) 1s 2 2s 2 2p 6 3s 3 3d 5 not valid (3p comes after 3s) [Ra] 7s 2 5f 8 not valid (radium isn’t a noble gas) [Kr] 5s 2 4d 10 5p 5 valid iodine 20)[Xe] not valid (an element can’t be its own electron configuration) 40
ubidium [Rb] carbon [C] sulfur [S] copper [Cu] xenon Praseodymium In the transitional metls there is 10 in the row not 9. 2s does not have 2 positive valence electrons it is neutral. 1s^2 2s^2 2p^1 3s^1 4s^2 3d^10 4p^6 4s^2 3d^4 3s^2 3p^3 2s^2 2p^2 4s^2 3d^7 6s^2 4f^16 5d^8 7s^6 5f^6 2s^2 2p^4 4s 41
Page 2 and 3: Honors Chemistry Class Policies and
Page 4 and 5: Unit 1 (22 days) Chapter 1 Introduc
Page 6 and 7: Lorenzo Walker Technical High Schoo
Page 8 and 9: MUSTANG LABORATORIES COMMITMENT TO
Page 10 and 11: Chapter 1 Unit 1 Introduction to Ch
Page 12 and 13: K H D B D C M KING HENRY DIED DRINK
Page 14 and 15: 2. One cereal bar has a mass of 37
Page 16 and 17: 1. How many meters are in one kilom
Page 18 and 19: The Learning Goal for this assignme
Page 20 and 21: RULE #3: To add/subtract in scienti
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Page 26 and 27: For addition and subtraction, look
Page 28 and 29: Dimensional Analysis This is a way
Page 30 and 31: Chapter 4 Unit 2 Atomic Structure T
Page 34 and 35: Looking at Ions We haven’t talked
Page 36 and 37: Neutron Madness We have already lea
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Page 44 and 45: Create groups for these Scientist a
Page 46 and 47: The Learning Goal for this Assignme
Page 48 and 49: Atomic Size Define Atomic Size: The
Page 50 and 51: Define Electronegativity: Electrone
Page 52 and 53: Unit 3 Chapter 25 Nuclear Chemistry
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Page 56 and 57: Learning Goal for this section: The
Page 58 and 59: Beta Particle Decay Beta decay is a
Page 62 and 63: Ion Charge? What is the charge on f
Page 66 and 67: C 2 H 6 O Ethanol CH 3 CH 2 O Step
Page 68 and 69: Linear Molecular Geometry Orbital E
Page 70 and 71: Trigonal planar Molecular Geometry
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How to Balance Chemical Equations A
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Step 5 Balance the hydrogen atoms n
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6) ___ 1 Mn(NO2)2 + ___ 1 BeCl2 __
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The Learning Goal for this assignme
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Stoichiometry and Balanced Equation
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Step 1: 200g C3H8 is equal to 4.54
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Stoichiometry and balanced equation
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%yield = 6.1 tons × 100 = 64% 9.6t
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Use the space provided to write out
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Unit 6 Chapter 13 States of Matter
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Allotropes are consisted of atoms o
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temperature average kinetic energy
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keep the pressure constant heat up
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direct relationship so divide tempe
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kelvin equals everything stops K= t
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Unit 7 Chapter 16 Solutions The stu
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Part 5: Molarity Molarity (M) is th
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The Time-Temperature Graph We are g
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Step Two: solid ice melts Now, we c
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Step Four: liquid water boils Now,
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The following table summarizes the
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The Learning Goal for this section
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moving from one side to another, an
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- An enhancer is “a DNA sequence
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Unit 8 Chapter 19 Acid and Bases Th
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The Learning Goal for this section
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This would be a generic base: XOH -
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HCl + H2O ⇌ H3O + + Cl¯ HCl - th
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Several categories of substances ca
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1. 2.82 2. 8.30 3. 0.00 4. 3.485 5.
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2. What is the oxidation number of
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One point of concern: notice that e
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Reference Tables for Physical Setti
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150. 140. Table G Solubility Curves
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Table I Heats of Reaction at 101.3
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Table O Symbols Used in Nuclear Che
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0 6.941 +1 Li 3 2-1 Na 39.0983 K +1
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First Atomic Symbol Name Ionization
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Collier County CHEMISTRY EXAM FORMU
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CHEMISTRY EXAM FORMULA AND RESOURCE
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