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Which Group 13 element can melt when held in a hand?

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A color-coded periodic table of the elements displays each element's symbol and atomic number, with categories such as alkali metals, noble gases, halogens, transition metals, and actinoid elements distinguished by different background colors. — boron group element Modern version of the periodic table of the elements (printable).

The Group 13 element that can melt when held in a hand is gallium.

Gallium has a low melting point of approximately 29.76 °C (85.57 °F), which allows it to liquefy just above room temperature when exposed to the warmth of a human hand.1