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What is the Lewis dot for polydimethylsiloxane?
Polydimethylsiloxane (PDMS) is a polymer composed of repeating units of siloxane (Si-O) with methyl groups (CH₃) attached to the silicon atoms. The Lewis dot structure for PDMS would represent silicon (Si) atoms connected to oxygen (O) atoms, with each silicon having two methyl groups attached. In a simplified form, you can visualize a chain of alternating Si and O atoms, with each Si atom surrounded by the appropriate number of dots to represent its valence electrons and each methyl group represented as CH₃. However, due to its large size and complexity, PDMS is often better represented in structural or molecular models rather than a simple Lewis dot diagram.
What can dimethicone do?
Polydimethylsiloxane (PDMS) is the most widely used silicon-based organic polymer, and is particularly known for its unusual flow properties. Itis used to make contact lenses, medical devices, in elastomers, in shampoos. Dimethicone makes the hair shiny and slippery, caulking, lubricating oils and heat resistant tiles.
How does silcone grease work?
Silicone grease is a waterproof grease made by combining a silicone oil with a thickener. Most commonly, the silicone oil is polydimethylsiloxane and the thickener is amorphous fumed silica. Using this formulation, silicone grease is a translucent white viscous paste, with exact properties dependent on the type and proportion of the components.
What is rain-x made of?
Rain-X is primarily made of a silicone-based compound called polydimethylsiloxane, along with other ingredients like isopropyl alcohol and mineral spirits. These ingredients work together to create a hydrophobic coating on glass surfaces that repels water, improving visibility during rainy conditions.
Does silly putty have to have borax or starch in it?
No, silly putty can be made using a variety of different ingredients, including polydimethylsiloxane which is the main component in commercial silly putty. Borax and starch are common additives that can be used to create similar stretchy and bouncy characteristics in DIY silly putty recipes.
Do elements easily change into new elements?
No. It is quite difficult for elements to change into new elements.
How many elements are found in the periodic table of elements?
There are a total of 118 elements known to exist on the periodic table.
About how many elements are in the periodic table of elements?
The current periodic table contains 118 elements, as of April 2010, but many more may still be discovered.
What elements have more predictable properties main group elements or transition elements?
main group elements
What is the average sum of the elements divided by number of elements?
the sum of the elements divided by the number of elements is the average
What are the names of all the man made elements on the periodic table?
Transuranium Elements
How many elements does the table of elements have?
There are 118 elements on the periodic table.
