What is the number of electrons in selenium?
Understand the Problem
The question is asking for the number of electrons in a selenium atom. In a neutral atom, the number of electrons is equal to the atomic number, which for selenium is 34.
Answer
34
The final answer is 34
Answer for screen readers
The final answer is 34
More Information
Selenium (Se) has an atomic number of 34, which means it has 34 electrons in its neutral state.
Tips
A common mistake is to confuse the number of electrons in neutral selenium with that in its ion forms (e.g., Se-2 has 36 electrons).
Sources
- Hobart.K12 - Periodic Table - hobart.k12.in.us
- WebElements Periodic Table » Selenium » properties of free atoms - webelements.com
- Determine the number of protons and the number of electrons in Se. - homework.study.com
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