Questions: Give the chemical symbol for each of the following ions. (a) A selenium atom that has lost four electrons. (b) A germanium atom that has lost two electrons. (c) A manganese atom that has lost six electrons. (d) A phosphorus atom that has lost five electrons.

Give the chemical symbol for each of the following ions. (a) A selenium atom that has lost four electrons. (b) A germanium atom that has lost two electrons. (c) A manganese atom that has lost six electrons. (d) A phosphorus atom that has lost five electrons.
Transcript text: Give the chemical symbol for each of the following ions. (a) A selenium atom that has lost four electrons. $\square$ (b) A germanium atom that has lost two electrons. $\square$ (c) A manganese atom that has lost six electrons. $\square$ (d) A phosphorus atom that has lost five electrons. $\square$
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Solution

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Solution Steps

Step 1: Determine the Chemical Symbol for Each Element

First, identify the chemical symbol for each element mentioned in the question:

  • Selenium: Se
  • Germanium: Ge
  • Manganese: Mn
  • Phosphorus: P
Step 2: Determine the Charge of Each Ion

When an atom loses electrons, it becomes a positively charged ion (cation). The charge of the ion is equal to the number of electrons lost.

  • (a) Selenium atom loses four electrons: The charge is \(+4\).
  • (b) Germanium atom loses two electrons: The charge is \(+2\).
  • (c) Manganese atom loses six electrons: The charge is \(+6\).
  • (d) Phosphorus atom loses five electrons: The charge is \(+5\).
Step 3: Write the Chemical Symbol with the Charge

Combine the chemical symbol with the charge to represent each ion:

  • (a) Selenium ion: \(\text{Se}^{4+}\)
  • (b) Germanium ion: \(\text{Ge}^{2+}\)
  • (c) Manganese ion: \(\text{Mn}^{6+}\)
  • (d) Phosphorus ion: \(\text{P}^{5+}\)

Final Answer

\[ \begin{align_} \text{(a)} & \quad \boxed{\text{Se}^{4+}} \\ \text{(b)} & \quad \boxed{\text{Ge}^{2+}} \\ \text{(c)} & \quad \boxed{\text{Mn}^{6+}} \\ \text{(d)} & \quad \boxed{\text{P}^{5+}} \\ \end{align_} \]

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