Questions: Multiple Choice 1.9 points Which of the following has chemical properties most similar to zinc? A) Al B) Ga C) Cd D) Ag Multiple Choice 1.9 points Given the chemical formulas MgO, Al2O3, and SiO2, predict the formula for germanium oxide, Ge ? O ? . A) GeO B) Ge2O C) GeO2 D) Ge 2 O 3

Multiple Choice 1.9 points Which of the following has chemical properties most similar to zinc? A) Al B) Ga C) Cd D) Ag Multiple Choice 1.9 points Given the chemical formulas MgO, Al2O3, and SiO2, predict the formula for germanium oxide, Ge ? O ? . A) GeO B) Ge2O C) GeO2 D) Ge 2 O 3
Transcript text: 52 Multiple Choice 1.9 points Which of the following has chemical properties most similar to zinc? A) Al B) Ga C) Cd D) Ag 53 Multiple Choice 1.9 points Given the chemical formulas $\mathrm{MgO}, \mathrm{Al}_{2} \mathrm{O}_{3}$, and $\mathrm{SiO}_{2}$, predict the formula for germanium oxide, Ge ? O ? . A) GeO B) $\mathrm{Ge}_{2} \mathrm{O}$ C) $\mathrm{GeO}_{2}$ D) Ge 2 O 3
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Solution

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Solution Steps

Step 1: Determine the Element with Similar Chemical Properties to Zinc

Zinc (Zn) is a transition metal located in group 12 of the periodic table. Elements in the same group typically have similar chemical properties due to having the same number of valence electrons. The elements in group 12 are zinc (Zn), cadmium (Cd), and mercury (Hg). Among the given options:

  • A) Al (Aluminum) is in group 13.
  • B) Ga (Gallium) is in group 13.
  • C) Cd (Cadmium) is in group 12.
  • D) Ag (Silver) is in group 11.

Since cadmium (Cd) is in the same group as zinc, it has the most similar chemical properties.

Step 2: Predict the Formula for Germanium Oxide

Germanium (Ge) is in group 14 of the periodic table, similar to silicon (Si). Silicon forms silicon dioxide (\(\text{SiO}_2\)), where each silicon atom is bonded to two oxygen atoms. Therefore, germanium is expected to form a similar oxide, \(\text{GeO}_2\).

Final Answer

  1. The element with chemical properties most similar to zinc is \(\boxed{\text{C) Cd}}\).
  2. The predicted formula for germanium oxide is \(\boxed{\text{C) GeO}_2}\).
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