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Questions and Answers
What are the electrons present in the outermost shell of an atom known as?
What are the electrons present in the outermost shell of an atom known as?
- Core electrons
- Conduction electrons
- Excited electrons
- Valence electrons (correct)
According to the Bohr-Bury scheme, what is the maximum number of electrons that the outermost shell of an atom can accommodate?
According to the Bohr-Bury scheme, what is the maximum number of electrons that the outermost shell of an atom can accommodate?
- 8 electrons (correct)
- 12 electrons
- 6 electrons
- 10 electrons
What is observed for the atoms of elements that are completely filled with 8 electrons in the outermost shell?
What is observed for the atoms of elements that are completely filled with 8 electrons in the outermost shell?
- They show little chemical activity (correct)
- They become unstable
- They lose electrons easily
- They show high reactivity
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Study Notes
Electron Configurations
- The electrons present in the outermost shell of an atom are known as valence electrons.
Bohr-Bury Scheme
- The maximum number of electrons that the outermost shell of an atom can accommodate is 8, according to the Bohr-Bury scheme.
Fully Filled Valence Shells
- Atoms of elements that are completely filled with 8 electrons in the outermost shell are observed to be chemically inert, meaning they do not readily react with other elements.
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