Atomic Structure. Aprenda Chemistry proudly presents. Odd Answer. Flash Cards 1. Ba
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1 1. Ba 1. What is the chemical symbol for Barium? 3. Pt 2. What is the chemical symbol for Beryllium? 5. Sn 3. What is the chemical symbol for Platinum? 7. K 4. What is the chemical symbol for Arsenic? 9. H 5. What is the chemical symbol for Tin? Even Answers 6. What is the chemical symbol for Sodium? 2. Be 7. What is the chemical symbol for Potassium? 4. As 8. What is the chemical symbol for Calcium? 6. Na 9. What is the chemical symbol for Hydrogen? 8. Ca 10. What is the chemical symbol for Magnesium? 10. Mg
2 11. Iron 11. Which element is represented by the following symbol? Fe 13. Nickel 12. Which element is represented by the following symbol? Co 15. Carbon 13. Which element is represented by the following symbol? Ni 17. Nitrogen 14. Which element is represented by the following symbol? Cu 19. Oxygen 15. Which element is represented by the following symbol? C Even Answers 16. Which element is represented by the following symbol? Si 12. Cobalt 17. Which element is represented by the following symbol? N 14. Copper 18. Which element is represented by the following symbol? P 16. Silicon 19. Which element is represented by the following symbol? O 18. Phosphorous 20. Which element is represented by the following symbol? Zn 20. Zinc
3 21. Ag 21. What is the chemical symbol for Silver? 23. Hg 22. What is the chemical symbol for Gold? 25. Pb 23. What is the chemical symbol for Mercury? 27. F 24. What is the chemical symbol for Aluminum? 29. Br 25. What is the chemical symbol for Lead? Even Answers 26. What is the chemical symbol for Sulfur? 22. Au 27. What is the chemical symbol for Fluorine? 24. Al 28. What is the chemical symbol for Chlorine? 26. S 29. What is the chemical symbol for Bromine? 28. Cl 30. What is the chemical symbol for Iodine? 30. I
4 31. Iron 31. Which element is represented by the following symbol? Fe 33. Neon 32. Which element is represented by the following symbol? He 35. Argon 33. Which element is represented by the following symbol? Ne 34. Which element is represented by the following symbol? Kr 37. 1) An element is composed of identical atoms. 2) Atoms of different elements have different properties. 3) Compounds are atoms of 2 or more elements chemically combined Identified the presence of a small, positively charged atomic nucleus. (Gold foil experiment). 35. Which element is represented by the following symbol? Ar Even Answers 36. Which element is represented by the following symbol? U 32. Helium 37. State the three postulates of Dalton s Atomic Theory. 34. Krypton 38. Describe the Research of Millikan. 36. Uranium 39. Describe the research of Rutherford Calculated the electric charge and the mass of an electron with his oil drop experiment. 40. Define Atomic Mass Unit. 40. The mass of a proton or neutron is equal to 1 atomic mass unit. (symbol = amu ; 1 amu = 1.66 x g
5 41. atomic nucleus 41. Regarding the proton, what is its location in the atom? Regarding the proton, what is its mass in amu? 45. electron cloud surrounding the nucleus. 43. Regarding the proton, what is its charge? Regarding the proton, what is its symbol? 49. atomic nucleus 45. Regarding the electron, what is its location in the atom? Even Answers 46. Regarding the electron, what is its mass in amu? amu 47. Regarding the electron, what is its charge? 44. p Regarding the electron, what is its symbol? 46. 1/1837 amu (sometimes expressed as zero) 49. Regarding the neutron, what is its location in the atom? 48. e 50. Regarding the neutron, what is its mass in amu? amu
6 51. zero 51. Regarding the neutron, what is its charge? 53. Metals tend to form positive ions by losing electrons. Na Na + + e 52. Regarding the neutron, what is its symbol? 55. Na Atom loses 1 electron. 53. Which elements tend to form positive ions? 57. O atom gains 2 electrons. 54. Which elements tend to form negative ions? 59. IA How was this ion formed? Na +1 Even Answers 56. How was this ion formed? Cl n How was this ion formed? O Non metals form negative ions by gaining electrons. Cl + e Cl 58. How was this ion formed? Al Cl atom gains 1 electron. 59. State oxidation numbers for ions of Group la. 58. Al atom loses 3 electrons. 60. State oxidation numbers for ions of Group IIA. 60. IIA +2
7 71. VIA State oxidation numbers for ions of Group VIA. 73. Na (Group IA) State oxidation numbers for ions of Group VIIA. 75. Mg (Group IIA) State oxidation number for an ion of Sodium. 77. Ammonium: NH State oxidation number for an ion of Chlorine. 79. Hydroxide: OH State oxidation number for an ion of Magnesium. Even Answers 76. State oxidation number for an ion of Oxygen. 72. VIIA State formula for polyatomic ion. (Ammonium) 74. Cl (Group VIIA) State formula for polyatomic ion. (Nitrate) 76. O (Group VIA) State formula for polyatomic ion. (Hydroxide) 78. Nitrate: NO State formula for polyatomic ion. (Sulfate) 80. Sulfate: SO 4 2
8 81. Nitrite. 81. State name for polyatomic ion. (NO 2 1 ) 83. Phosphate. 82. State name for polyatomic ion. (SO 3 2 ) 85. ClO State name for polyatomic ion. (PO 4 3 ) 87. Cr 2 O State name for polyatomic ion. (CrO 4 2 ) 89. Copper +1 or State name for polyatomic ion. (Perchlorate) Even Answers 86. State name for polyatomic ion. (Hypochlorite) 82. Sulfite. 87. State name for polyatomic ion. (Dichromate) 84. Chromate. 88. State possible oxidation numbers for: (Iron) 86. ClO State possible oxidation numbers for: (Copper) 88. Iron +2 or State possible oxidation numbers for: (Silver) 90. Silver +1
9 91. Zinc State possible oxidation numbers for: (Zinc) 93. Lead State possible oxidation numbers for: (Nickel) 95. CaI State possible oxidation numbers for: (Lead) 97. Na 2 SO State the formula for a compound of Sodium and Chlorine. 99. AIPO State the formula for a compound of Calcium and Iodine. Even Answers 96. State the formula for a compound of Aluminum and Oxygen. 92. Nickel State the formula for a compound of Sodium and Sulfate. 94. NaCI 98. State the formula for a compound of Magnesium and Nitrite. 96. Al 2 O State the formula for a compound of Aluminum and Phosphate. 98. Mg(NO 2 ) State the formula for iron (III) oxide? 100. Fe 2 O 3
10 101. FeO 101. State the formula for iron (II) oxide? 103. aluminum nitrate Name this Ionic compound. (KBr) 105. iron (III) chloride Name this ionic compound. Al(NO 3 ) copper (II) hydroxide 104. Name this ionic compound. (NH 4 ClO 3 ) 109. mono 1; di 2; tri 3; tetra 4; penta 5; hexa 6; hepta 7; octa 8; nona 9; deca Name this ionic compound. (FeCI 3 ) Even Answers 106. Name this ionic compound. (FeO) 102. potassium bromide 37. Name this ionic compound. Cu(OH) ammonium chlorate. 38. Name this ionic compound. Cu 3 PO iron (II) oxide What are the ten prefixes which indicate number of atoms etc. and are used to name covalent compounds? 108. copper (I) phosphate Name covalent compound. PCI phosphorous pentachloride
11 111. List some basic facts about iron. Aprenda Chemistry 111. *Abundant (5% of earth s crust), *principal ores: hematite, pyrite, magnetite, *Separated from ore in a blast furnace, *Uses: structural, magnetic, dyes 113. An alloy of iron and carbon containing less than 2% carbon. Use: building material What is transition element? 115. Bluish white, brittle transition metal, hard, corrosion resistant. Chief ore: chromite, Use: chromium plating, paint pigment What is steel? 114. What is alloy steel? 117. Principle ores: chalcocite, cuprite chalcopyrite. Soft, red brown, ductile, malleable. Use: wires, brass, bronze The only liquid metal at room temperature. Uses: thermometers, Hg vapor lamps, alloys amalgams List some basic facts about Chromium. Even Answers 116. List some basic facts about nickel List some basic facts about copper List some basic facts about zinc List some basic facts about mercury A metal having two incomplete shells of electrons, many have multiple oxidation states, less active than family IA and IIA. *Uses: Fe, Ag, Au, Cr, W 114. By combining a transition metal with steel an endless variety of alloy steels can be produced. Common metals used: Cr, Co, Ni, W, Sn, Ti, V A hard, white metal which resists tarnish. Ferromagnetic. Use: catalyst for hydrogenation of fats. Coins, the magnetic alloy is called alnico Principle ores: sphalerite, smithsonite, zincite. Use: galvanized iron, dry cells, electrical connectors, die casting List some basic facts about tin Soft, white low melting metal. Use: tinplate to protect steel and in alloys
12 121. soft, non elastic, low melting, blue white metal. Becomes dark grey in air. Uses: piping, telephone cables, alloys 121. List some basic facts about lead Found uncombined as nuggets or grains. Uses: coins, jewelry, alloys 122. List some basic facts about silver Transition elements #57 71 and # which have partially filled f orbitals. Only the first four elements occur naturally List some basic facts about gold Ba 124. List some basic facts about platinum metals The energy change required for the removal of the outermost electron from the gaseous atom to form a +1 atom What are Lanthanide and Actinide Series? Even Answers 126. Describe the change in atomic radius across the periodic table Which of the following elements has the largest atomic radius? Ca, Be, Ba, Sr 128. Which of the following elements has the largest atomic radius? Mg, Cl, Na, P 122. Found uncombined or as Ag 2 S. Bright, lustrous, soft, malleable. Uses: silver plating, jewelry, photographic film and paper They are: Ru, Rh, Pd, Os, Ir, Pt. Inert and occur free in nature, rare and expensive. Uses or Pt: dentistry, jewelry, industrial catalyst The atomic radius tends to decrease from left to right across the table and increase down the columns What is ionization energy? 128. Na 130. Describe the change in ionization energy across the periodic table Ionization energy tends to increase from left to right across the table and decrease down the columns.
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