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The structure of borax is composed of chains of regular octahedra formed by water molecules around Na, running parallel to the c-axis. These chains build up a sheet holding isolated groups of B 4 O 5 OH 4 in between them through hydrogen bonds. These sheets are parallel to and held together mainly by hydrogen bonds.
Journal of Mineralogical and Petrological Sciences. Mix solution Add about Tbsp of Borax for every cup of water in your solution. Stir until the Borax dissolves in the water. You want the water to be clear because if the water gets cloudy then your crystals will be cloudy.
Pour into jars Once your solution is mixed, pour into the mason jars about three quarters of the way to the top. Suspend pipe cleaners Use the string to tie your pipe cleaners to the pencils. Then place these pencils over the rim of each jar so that the pipe cleaners are suspended in the water. Be sure to thoroughly wash and dry hands.
Leave overnight The submerged pipe cleaners should form crystals over the next hours. The longer that you leave them then the bigger they will grow. Be sure that none of the pipe cleaners are touching each other or the sides of the jars so that they can grow as large as possible. Remove and dry crystals The crystals should have grown around the colored pipe.
Now, simply take them out of the jars and let them dry and marvel in your crystal creations! Now that you know how to make your own crystals, you can take your experiment to the next level! There are so many shapes and crafts to try with Borax crystals, below are just a few of our favorites. Allow the beaker and solution to remain untouched for a day. Remove pencil and the attached shape, placing it in an empty beaker to drip dry for another 24 hours.
Dispose of the borax solution by pouring down a sink drain and rinsing for several minutes with hot water. Variations Less water, about 2 cuups per 50 g of BoraxTM will result in denser crystals. But all of the Borax may not intially dissolve. The finished crystal makes a great holiday ornament. A Structure of matter : The fact that matter is composed of atoms and molecules can be used to explain the properties of substances, diversity of materials, states of matter, phase changes, and conservation of matter.
Grades 6 to 8. Related Activities.
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