selenium (Z= 34) to 1UIII! 2.73 For each ionic depiction, give the name of the parent atom, its mass number, and its group and period numbers: (а) (b) (с) 10e 10e- 18е 8p 9no 9p* 10no 20p* 20no

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Chapter1: Chemical Foundations
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### Diagrams of Ionic Structures

The image consists of three diagrams labeled (a), (b), and (c). Each diagram represents the structure of an ion, displaying the number of protons (p⁺), neutrons (n⁰), and electrons (e⁻). Let's explore each depiction:

#### Diagram (a):

- **Protons (p⁺):** 8
- **Neutrons (n⁰):** 9
- **Electrons (e⁻):** 10

This ion indicates a parent atom that originally had 8 protons, corresponding to oxygen, which becomes an anion (O²⁻) after gaining electrons.

#### Diagram (b):

- **Protons (p⁺):** 9
- **Neutrons (n⁰):** 10
- **Electrons (e⁻):** 10

This structure is indicative of fluorine, which has 9 protons. The ion has gained 1 electron, resulting in a negative charge (F⁻).

#### Diagram (c):

- **Protons (p⁺):** 20
- **Neutrons (n⁰):** 20
- **Electrons (e⁻):** 18

This ion is related to calcium, which possesses 20 protons. The number of electrons indicates it has lost 2 electrons, forming a cation (Ca²⁺).

Each diagram provides insight into the atomic composition of the ions, illustrating how the number of protons, neutrons, and electrons can change to form different ionic species.
Transcribed Image Text:### Diagrams of Ionic Structures The image consists of three diagrams labeled (a), (b), and (c). Each diagram represents the structure of an ion, displaying the number of protons (p⁺), neutrons (n⁰), and electrons (e⁻). Let's explore each depiction: #### Diagram (a): - **Protons (p⁺):** 8 - **Neutrons (n⁰):** 9 - **Electrons (e⁻):** 10 This ion indicates a parent atom that originally had 8 protons, corresponding to oxygen, which becomes an anion (O²⁻) after gaining electrons. #### Diagram (b): - **Protons (p⁺):** 9 - **Neutrons (n⁰):** 10 - **Electrons (e⁻):** 10 This structure is indicative of fluorine, which has 9 protons. The ion has gained 1 electron, resulting in a negative charge (F⁻). #### Diagram (c): - **Protons (p⁺):** 20 - **Neutrons (n⁰):** 20 - **Electrons (e⁻):** 18 This ion is related to calcium, which possesses 20 protons. The number of electrons indicates it has lost 2 electrons, forming a cation (Ca²⁺). Each diagram provides insight into the atomic composition of the ions, illustrating how the number of protons, neutrons, and electrons can change to form different ionic species.
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