Chemistry
Grade-9
Easy
Question
A ________________________ is an electron located in the outermost shell.
- Alkali electron
- Halogen electron
- Noble electron
- Valence electron
Hint:
Outermost shell is called valence shell.
The correct answer is: Valence electron
- Alkali metals have one electron in their outermost shell.
- Halogens have seven electrons in their outermost shell.
- Noble gases have fulfilled outermost shell.
- A valence electron is an electron located in the outermost shell.
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