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Question
In the table calcium lies above barium. Which one is more reactive?
In the table calcium lies above barium. Which one is more reactive?
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Solution
The correct option is C Barium
Barium is more reactive than Calcium.
The two outer electrons in Barium are further from the positive nucleus and so are less strongly held in place.
These means that Barium is able to release these two electrons more easily than Calcium.
Hence Barium is more reactive.
Barium is more reactive than Calcium.
The two outer electrons in Barium are further from the positive nucleus and so are less strongly held in place.
These means that Barium is able to release these two electrons more easily than Calcium.
Hence Barium is more reactive.
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