SKU: 79403084006

Gallium Element Cube

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Description

Gallium Element CubeGallium's atomic number is 31 and its symbol is Ga. Gallium has a melting point of 29. 76 C or 85. 57 F. This means that under the right circumstances you could melt the metal within this display cube and watch it slosh around within the cube. Because of its low melting point, it is used as an environmentally friendly alternative to mercury in thermometers. Gallium is also used to make metals with low melting points that can be used as a

Gallium's atomic number is 31 and its symbol is Ga. Gallium has a melting point of 29.76 °C or 85.57 °F. This means that under the right circumstances you could melt the metal within this display cube and watch it slosh around within the cube. Because of its low melting point, it is used as an environmentally friendly alternative to mercury in thermometers. Gallium is also used to make metals with low melting points that can be used as a semiconductor.

Gallium attacks most other metals by diffusing into the grain of the metal and spreading throughout the entire piece making it extremely brittle. This is why Gallium is not allowed in carry-on bags on a plane. If some of the liquid gallium made its way to the plane's metal structure, it would make a large portion extremely fragile.

The gallium in this display is held within a glass ampule to prevent it from seeping into the acrylic during the hot casting process. This makes for an interesting mirror-like ampule that looks fantastic.

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SKU: 79403084006

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Nicole Witkowski
Belleville, US
★★★★★ 5
Funny book!
Format: Paperback
My daughter loves this book in kindergarten! It motivates her to start reading. She thought it was so funny!
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Reviewed in the United States on September 5, 2020
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Henry R. Frankel
Chelsea, US
★★★★★ 5
Wonderful and short introduction to plate tectonics for those with little background in Earth science or mathematics
Format: Paperback
Molnar does an excellent job explaining key elements of plate tectonics. His book is understandable even for those with little background in geology or geophysics. Molnar, an expert on mountain building, nicely explains how collisions of plates with continents atop cause mountain belts to form. He also questions the limitations of plate tectonics in explaining formation of such mountains. Understanding Molnar's very short book requires little mathematics. An ideal text for college science courses for non-science majors, and for those who want to understand the evolution of Earth's geological features and phenomena.
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Reviewed in the United States on February 3, 2017
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Marie O.
Port Orchard, US
★★★★★ 5
Easy to read
Format: Paperback
The book was an easy to read discussion of plate tectonics. The technical terms were easily understood and presented in an interest manner. Technically sound and entertaining is a winning combination for a science book! I wold recommend this book to anyone interested in the topic but is not a scientist in the field.
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Reviewed in the United States on November 29, 2018
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Amazon customer Colleen T
Whiting, US
★★★★★ 4
Very short and very good
Format: eTextbook
I read this book or one similar to it my senior year in high school 1970. It absolutely caught my attention as a way to explain why the continents had separated from Gondwanaland. I really liked revisiting the theory in light of the advances made since then
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Reviewed in the United States on May 8, 2018
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Dr L
Lowell, US
★★★★★ 5
I love VSI on Kindle
Format: eTextbook
The thing is they take a long time to read because of the look up feature. It's like reading a book in the Library of Congress.
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Reviewed in the United States on June 15, 2020

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