Question

Which element least dense sodium or mercury?

Answer 1

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HERE IS YOUR ANSWER

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Two other metallic elements are less dense than water. Potassium has a density of 0.862 g/cm3 while sodium has a density of 0.971 g/cm3. All of the other metals on the periodic table are denser than water. While lithium,potassium, and sodium are all light enough to float on water, they are also highly reactive.


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Answer 2

Answer:

Sodium

• because more reactive metals displace less reactive metals from their salt solution