Chemistry
Grade-9
Easy
Question
Which family contains the least reactive elements?
- Halogens
- Alkali gases
- Transition gases
- Noble gases
Hint:
Noble gases outermost shell is fulfilled.
The correct answer is: Noble gases
- Halogens are the most reactive group of elements.
- Alkali gases react with water.
- Transition gases are intermediate reactive.
- Noble gases are least reactive as they have fulfilled valence shell.
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