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Chapter 2 - Models Of Bonding & Structure

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Atom Symbol

Chapter 1 - Models Of The Particulate Nature Of Matter

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 Globe with Meridians

Chapter 3 - Classification Of Matter

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Fire

Chapter 4 - What Drives Chemical Reactions?

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Rocket

Chapter 5 - How Much, How Fast & How Far?

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Test Tube

Chapter 6 - What Are The Mechanisms Of Chemical Change?

<ul>
	<li>Silicon is a fascinating element as it combines both metallic and covalent properties. It&#39;s like a superhero that can be both Batman and Ironman! 😎 It is known as a metalloid, a term for elements that have characteristics of both metals and nonmetals.</li>
</ul>

<ul>
	<li>Lustrous (Shiny) Appearance: Just like a shiny new car, silicon has a shiny surface similar to metals.</li>
</ul>

<ul>
	<li>Covalent Network Structure: Silicon atoms are like little social butterflies 🦋, they like to share electrons with their neighbors. This forms a covalent network structure, where silicon atoms are bonded together by shared electrons.</li>
	<li>Brittleness: Unlike metals that can be bent and molded, silicon is more like a glass window - if you try to bend it, it&#39;ll just break. This brittle nature is characteristic of covalent substances.</li>
	<li>Acidic Oxide: When silicon reacts with oxygen, it forms an oxide that is weakly acidic. It&#39;s like when you mix vinegar and baking soda, you get a reaction because vinegar is acidic!</li>
</ul>

<ul>
	<li>Semiconductor: Silicon has a unique place in the world of electrical conductivity. It&#39;s not a great conductor like metals, but it&#39;s not a terrible conductor either like most covalent substances. It&#39;s right in the middle - a semiconductor. Think of it as the Goldilocks of electrical conductivity - not too much, not too little, just right!</li>
	<li>Conditions for Improved Conductivity: The cool thing about semiconductors is that their conductivity can be improved under certain conditions. When you heat up silicon, shine a light on it, or introduce certain impurities (like doping it with phosphorus or boron), its conductivity increases. It&#39;s like giving Silicon a cup of coffee ☕, it wakes up and gets more active!</li>
</ul>

<ul>
	<li>Silicon Valley: The name &quot;Silicon Valley&quot; for the tech hub in California comes from the use of silicon in computer chips. Silicon&#39;s ability to act as a semiconductor makes it ideal for use in transistors, which are the building blocks of computers.</li>
	<li>Solar Panels: Silicon&#39;s unique electrical properties are also used in solar panels. When sunlight hits the silicon in a solar panel, it creates an electrical current that can be used to power your house.</li>
</ul>

So, that&#39;s silicon - the superhero of the elements with its dual nature, combining both metallic and covalent properties. Whether it&#39;s powering your smartphone or generating electricity from the sun, silicon is a pretty awesome element! 🌞🔌

Unlocking Silicon: A Metalloid Marvel!

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Standard Level

Chemistry SL

Chapter 2 - Models Of Bonding & Structure

Unlocking Silicon: A Metalloid Marvel!

Table of content

Silicon's dual nature🌟

Metallic properties✨

Covalent properties✨

Unlock the Full Content!

Chapter 2 - Models Of Bonding & Structure

Unlocking Silicon: A Metalloid Marvel!

Table of content

Silicon's dual nature🌟

Metallic properties✨

Covalent properties✨

Unlock the Full Content!