How many protons, neutrons and electrons are there in a neutral atom of the isotope with the nuclear symbol: 80 Sr 38 protons: neutrons: electrons:

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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**Understanding Atomic Structure: Protons, Neutrons, and Electrons**

Given the nuclear symbol for an isotope:

\[ \, _{38}^{80} \text{Sr} \]

**Task:**

Determine the number of protons, neutrons, and electrons in a neutral atom of this isotope.

**Explanation of the Symbol:**

- **Protons:** The atomic number is the subscript (bottom number), which represents the number of protons. In this case, the atomic number is 38. Therefore, the isotope has 38 protons.
  
- **Neutrons:** To find the number of neutrons, subtract the atomic number from the mass number (superscript or top number). The mass number is 80. Thus, the number of neutrons is \( 80 - 38 = 42 \).

- **Electrons:** In a neutral atom, the number of electrons is equal to the number of protons. Therefore, there are 38 electrons.

**Summary:**

- Protons: 38
- Neutrons: 42
- Electrons: 38

**Interactivity:**

- Users are prompted to enter their answers in the provided fields for protons, neutrons, and electrons.
- The "Submit Answer" button allows users to check their responses.
- If the group is not satisfied with their attempts, they can use the "Retry Entire Group" option.
- Note that there are 7 more group attempts remaining.

This task helps to reinforce the understanding of nuclear symbols and the concept of isotopes in atomic structure.
Transcribed Image Text:**Understanding Atomic Structure: Protons, Neutrons, and Electrons** Given the nuclear symbol for an isotope: \[ \, _{38}^{80} \text{Sr} \] **Task:** Determine the number of protons, neutrons, and electrons in a neutral atom of this isotope. **Explanation of the Symbol:** - **Protons:** The atomic number is the subscript (bottom number), which represents the number of protons. In this case, the atomic number is 38. Therefore, the isotope has 38 protons. - **Neutrons:** To find the number of neutrons, subtract the atomic number from the mass number (superscript or top number). The mass number is 80. Thus, the number of neutrons is \( 80 - 38 = 42 \). - **Electrons:** In a neutral atom, the number of electrons is equal to the number of protons. Therefore, there are 38 electrons. **Summary:** - Protons: 38 - Neutrons: 42 - Electrons: 38 **Interactivity:** - Users are prompted to enter their answers in the provided fields for protons, neutrons, and electrons. - The "Submit Answer" button allows users to check their responses. - If the group is not satisfied with their attempts, they can use the "Retry Entire Group" option. - Note that there are 7 more group attempts remaining. This task helps to reinforce the understanding of nuclear symbols and the concept of isotopes in atomic structure.
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