Which elements are metalloids? Check all that apply.borontungstenaluminumbismuthsilicontelluriumtin
What did you include in your response? Check all that apply.
Very good electrical conductivity: [___]
Amphoteric, able to form acidic OR basic compounds: [___]
Gaseous at room temperature: [___]
Solid at room temperature: [___]
Brittle: [___]
Fatima is designing an advanced graphics card for a next-generation video game system. She needs to be able to precisely control the conductivity of the electronic components. For this purpose, she should use materials that are [___].
An element that is likely to have this property is [___].
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The position of metalloids on the periodic table is generally found along a diagonal line between[___]and nonmetals.
Metalloids typically have a[___] appearance, which can resemble that of metals, but they are generally more brittle.
Metalloids are useful as semiconductors in modern electronics, like smartphones. Which feature of a smartphone is made possible by metalloids?
Which elements can form acidic compounds? Check all that apply.sulfurrubidiumarsenicseleniumsiliconxenonantimony
Which elements can form basic compounds? Check all that apply.sulfurrubidiumarsenicseleniumsiliconxenonantimony
Metalloids are useful as semiconductors in modern electronics, like smartphones. Which feature of a smartphone is made possible by metalloids?
Which elements can form acidic compounds? Check all that apply.sulfurrubidiumarsenicseleniumsiliconxenonantimony
Which elements can form basic compounds? Check all that apply.sulfurrubidiumarsenicseleniumsiliconxenonantimony
In group 13, the only metalloid, boron, is at the very top of the group. Explain why the rest of the group has metallic behavior but boron does not.
Boron is at the top of group 13 and has only two electron shells. Because it has fewer shells, the nucleus has a stronger pull on valence electrons, making it more likely to share or gain electrons rather than lose them compared to elements further down the group. While all group 13 elements have three valence electrons and could lose them to behave like metals, boron's small size leads to it having properties of both metals and nonmetals, classifying it as a metalloid. The elements below boron have more electron shells, meaning their valence electrons are further from the nucleus and more easily lost, resulting in metallic behavior.
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