Why is strontium more reactive than calcium but less reactive than rubidium?

Chemistry

1 answer:

olga nikolaevna [1]3 years ago

4 0

Sr is below Ca and to the right of Rb in the Periodic Table (see the attached image).

Reactivity increases from top to bottom of a Group. Sr is below Ca, so it is more reactive than Ca.

Reactivity decreases from left to right in a Period. Sr is to the right of Rb, so it is less reactive than Rb.

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