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Two elements, anything in the same column as it, so how about, lithium, and sodium? I'm pretty sure. Lithium and sodium have similar chemical properties to potassium as they are in the same group of the Periodic Table. They are in group one of the periodic table and are known as the 'alkali metals'. Nearly all elements that are in the same group have similar chemical properties.

Common characteristics of alkali metals include:

Soft/low density metals

React readily with oxygen and water

They will react with water to form an alkaline solution and give off hydrogen gas

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9y ago
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11y ago

Na 11 Sodium 22.9898

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14y ago

arsenic

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Anonymous

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3y ago

Rubidium

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Q: Which is in the same period as the element Potassium?
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