Questions: Use your periodic table to complete the table below. The row has been done for you. Element Atomic # Mass Protons Neutrons Electrons Symbol Copper 29 63.5 29 34 29 Cu Nickel 28 58.7 28 30 28 Ni Hydrogen 1 1.0 1 0 1 H Sulfur 16 32.1 16 16 16 S Oxygen 8 16.0 8 8 8 O Element Atomic # Mass Protons Neutrons Electrons Symbol Nitrogen 7 14.0 7 7 7 N Aluminum 13 27.0 13 14 13 Al Copper 29 63.5 29 34 29 Cu Match each of the positive ions listed with the total number of electrons that ion contains. Use your periodic table. The same answer may be used more than once. A) 2 B) 10 C) 21 D) 23 E) 24 F) 25 G) 36 H) 43 I) 76 J) 81 Al^+3 Cr^+3 Li^+1 Mg^+2 Sn^+2 Fe^+3 Rb^+1 Pt^+2

Use your periodic table to complete the table below. The row has been done for you. Element Atomic # Mass Protons Neutrons Electrons Symbol Copper 29 63.5 29 34 29 Cu Nickel 28 58.7 28 30 28 Ni Hydrogen 1 1.0 1 0 1 H Sulfur 16 32.1 16 16 16 S Oxygen 8 16.0 8 8 8 O Element Atomic # Mass Protons Neutrons Electrons Symbol Nitrogen 7 14.0 7 7 7 N Aluminum 13 27.0 13 14 13 Al Copper 29 63.5 29 34 29 Cu Match each of the positive ions listed with the total number of electrons that ion contains. Use your periodic table. The same answer may be used more than once. A) 2 B) 10 C) 21 D) 23 E) 24 F) 25 G) 36 H) 43 I) 76 J) 81 Al^+3 Cr^+3 Li^+1 Mg^+2 Sn^+2 Fe^+3 Rb^+1 Pt^+2
Transcript text: Use your periodic table to complete the table below. The row has been done for you. Element | Atomic # | Mass | Protons | Neutrons | Electrons | Symbol Copper | 29 | 63.5 | 29 | 34 | 29 | Cu Nickel | 28 | 58.7 | 28 | 30 | 28 | Ni Hydrogen | 1 | 1.0 | 1 | 0 | 1 | H Sulfur | 16 | 32.1 | 16 | 16 | 16 | S Oxygen | 8 | 16.0 | 8 | 8 | 8 | O Element | Atomic # | Mass | Protons | Neutrons | Electrons | Symbol Nitrogen | 7 | 14.0 | 7 | 7 | 7 | N Aluminum | 13 | 27.0 | 13 | 14 | 13 | Al Copper | 29 | 63.5 | 29 | 34 | 29 | Cu Match each of the positive ions listed with the total number of electrons that ion contains. Use your periodic table. The same answer may be used more than once. A) 2 B) 10 C) 21 D) 23 E) 24 F) 25 G) 36 H) 43 I) 76 J) 81 ____ Al^+3 ____ Cr^+3 ____ Li^+1 ____ Mg^+2 ____ Sn^+2 ____ Fe^+3 ____ Rb^+1 ____ Pt^+2
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Solution

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Solution Steps

Step 1: Identify the missing information for each element
  • For each element, we need to find the missing values in the table: Atomic #, Mass, Protons, Neutrons, Electrons, and Symbol.
Step 2: Use the periodic table to find the Atomic Number and Symbol
  • Oxygen: Atomic Number = 8, Symbol = O
  • Nitrogen: Atomic Number = 7, Symbol = N
  • Aluminum: Atomic Number = 13, Symbol = Al
Step 3: Calculate the missing values
  • Oxygen:
    • Protons = Atomic Number = 8
    • Electrons = Protons = 8
    • Neutrons = Mass - Protons = 16 - 8 = 8
  • Nitrogen:
    • Protons = Atomic Number = 7
    • Electrons = Protons = 7
    • Neutrons = Mass - Protons = 14 - 7 = 7
  • Aluminum:
    • Protons = Atomic Number = 13
    • Electrons = Protons = 13
    • Neutrons = Mass - Protons = 27 - 13 = 14

Final Answer

  • Oxygen: Atomic Number = 8, Mass = 16, Protons = 8, Neutrons = 8, Electrons = 8, Symbol = O
  • Nitrogen: Atomic Number = 7, Mass = 14, Protons = 7, Neutrons = 7, Electrons = 7, Symbol = N
  • Aluminum: Atomic Number = 13, Mass = 27, Protons = 13, Neutrons = 14, Electrons = 13, Symbol = Al
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