Predicted Appearance of Elements

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asmi162
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Predicted Appearance of Elements

Post by asmi162 »

I have the elements Fr, Ra, Po, At, and Rn. How would I be able to tell which one resembles the element immediately above it the least in appearance, and which one reacts most exothermically with water? How would I go about finding this information? Any help would be much appreciated. ^_^
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chempass
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Re: Predicted Appearance of Elements

Post by chempass »

asmi162 wrote:I have the elements Fr, Ra, Po, At, and Rn. How would I be able to tell which one resembles the element immediately above it the least in appearance, and which one reacts most exothermically with water? How would I go about finding this information? Any help would be much appreciated. ^_^
You need just to look at the corresponding elements one row above:
That is Cs, Ba ...
For example Fr should be similar to Cs and react most exothermically with water.
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