vim li cas silicon zoo ib yam li carbon

Silicon thiab carbon sib koom qee qhov zoo sib xws vim lawv txoj haujlwm nyob rau hauv lub sijhawm, tshwj xeeb vim tias ob leeg nyob hauv Pawg 14 (tseem hu ua pawg carbon). Nov yog cov laj thawj tseem ceeb vim li cas lawv zoo sib xws:

1. Tib pab pawg nyob rau hauv Lub Sijhawm Table

Ob leeg silicon (Si) thiab carbon (C) yog nyob rau pawg 14 ntawm lub sij hawm. Cov ntsiab lus hauv tib pab pawg muaj cov khoom siv tshuaj zoo sib xws vim tias lawv muaj tib tus lej ntawm cov hluav taws xob hauv lawv lub plhaub sab nrauv (valence electrons). Ob leeg carbon thiab silicon muajplaub valence electrons, uas tso cai rau lawv tsim cov hom tshuaj sib xws, xws li covalent bonds.

2. Bonding yam ntxwv

Covalent Bonding:Ob lub ntsiab lus tuaj yeem tsim plaub daim ntawv cog lus kom ua tiav cov khoom siv hluav taws xob ruaj khov, zoo ib yam li cov roj hluav taws xob zoo. Piv txwv li:

Carbon tuaj yeem tsim plaub daim ntawv cog lus hauv cov molecules xws li methane (CH₄) lossis carbon dioxide (CO₂).

Silicon tuaj yeem tsim cov tshuaj sib xws, xws li silicon tetrahydride (SiH₄) lossis silicon dioxide (SiO₂).

Qhov kev muaj peev xwm tsim tau ntau daim ntawv cog lus nrog lwm cov atoms ua rau ob lub ntsiab lus muaj ntau yam nyob rau hauv cov nqe lus ntawm cov tebchaw uas lawv tuaj yeem tsim.

3. Tetrahedral Geometry

Kev sib koom ua ke feem ntau rau ob qho tib si carbon thiab silicon yog tetrahedral. Qhov no tshwm sim vim hais tias plaub valence electrons teem lawv tus kheej nyob rau hauv ib txoj kev uas minimizes electron khub repulsion, tsim ib tug tetrahedral geometry. Piv txwv li:

Hauvmethane (CH₄), carbon tsim plaub ib daim ntawv cog lus nrog hydrogen atoms, teem nyob rau hauv ib tug tetrahedral zoo.

Hauvsilicon tetrachloride (SiCl₄), silicon tsim plaub daim ntawv cog lus nrog chlorine atoms hauv cov qauv tetrahedral zoo sib xws.

4. Semiconductor Properties

Ob lub ntsiab lus muaj cov khoom siv semiconductor, txawm tias sib txawv. Silicon yog dav siv hauv electronics thiab computer technology vim nws cov khoom semiconductor. Carbon, nyob rau hauv daim ntawv ntawm graphite thiab graphene, kuj muaj ib tug semiconductor cwj pwm, tab sis nws cov kev siv yog txawv (xws li, nyob rau hauv conductive cov ntaub ntawv, roj teeb, thiab electronics).

5. Tsim cov Chains thiab Networks

Cov pa roj carbontuaj yeem tsim cov saw ntev thiab cov kev sib txuas sib txuas, raws li pom hauv cov organic sib txuas (xws li alkanes, alkenes, thiab polymers). Qhov no yog ib qho piv txwv ntawm cov organic chemistry.

Silicon, txawm tias tsis yooj yim dua li cov pa roj carbon monoxide, kuj tseem tuaj yeem tsim cov saw hlau thiab cov tes hauj lwm, tshwj xeeb tshaj yog nyob rau hauv daim ntawv ntawm silicon-raws li cov khoom siv silicates (xws li silicon dioxide, SiO₂). Silicon kuj tsim muaj zog covalent bonds nrog oxygen los tsim kev sib txuas ntxiv (xws li cov qauv iav lossis quartz).

6. Cov cwj pwm zoo xws li tshuaj lom neeg hauv qee qhov kev tshwm sim

Ob lub ntsiab lus qhia zoo sib xws hauv qee hom tshuaj tiv thaiv. Piv txwv li:

Ob leeg carbon thiab silicon tuaj yeem hnov ​​​​mob nrog halogens (xws li chlorine) los ua halides (xws li SiCl₄ thiab CCl₄).

Ob leeg tuaj yeem tsim cov oxide sib txuas, xws li carbon dioxide (CO₂) thiab silicon dioxide (SiO₂), uas zoo sib xws hauv cov qauv (ob qho tib si yog linear thiab nruj tab sis muaj qhov sib txawv ntawm daim ntawv cog lus thiab cov khoom).

Qhov txawv:

Txawm hais tias qhov zoo sib xws no, muaj qhov sib txawv tseem ceeb ntawm ob lub ntsiab lus. Cov pa roj carbon qhov me me atomic loj thiab ntau dua electronegativity ua rau nws muaj zog dua thiab muaj peev xwm ua kom muaj zog dua, tshwj xeeb tshaj yog nyob rau hauv cov organic chemistry. Silicon, ua qhov loj dua thiab tsawg dua electronegative, nyiam tsim kom ruaj khov, tsis tshua muaj reactive compounds, tshwj xeeb tshaj yog nyob rau hauv cov ntaub ntawv xws li semiconductors los yog ceramics.

Hauv cov ntsiab lus, silicon thiab carbon zoo sib xws feem ntau vim tias lawv ob leeg nyob hauv tib pab pawg ntawm lub rooj sib tham, uas ua rau lawv zoo sib xws valence electron configurations thiab bonding cwj pwm. Txawm li cas los xij, qhov sib txawv ntawm lawv qhov loj me, electronegativity, thiab reactivity ua rau cov tshuaj lom neeg thiab lub cev sib txawv.

 

Koj Tseem Nyiam

 

Silicon hlau 441

Silicon hlau 553

Ferrosilicon hmoov

Siab Purity Ferrosilicon

Dej-pov thawj yas woven hnab, 1000kg ib lub hnab los yog raws li koj xav tau.

Nyhav

Lub tsheb thauj khoom

Ntim

Load lub freight

hiav txwv thauj

tshem tawm

 

Cov lus nug nquag

Q: Cov khoom puas txais kev pabcuam customized? Dab tsi tshwj xeeb yam tuaj yeem kho tau?

A: Qhov loj thiab cov ntsiab lus hlau ntawm cov khoom tuaj yeem hloov kho.

Q: Cov qauv puas muab pub dawb?

A: Cov neeg siv khoom zoo tuaj yeem muab cov qauv.

Q: Koj muaj pes tsawg xyoo ntawm kev tsim khoom?

A: Fengyang Metallurgical Co., Ltd., tsim nyob rau hauv 2005, yog ib tug ntawm cov thawj pioneers nyob rau hauv Anyang muab raw khoom rau steel nroj tsuag.

Q: Puas yog kev tshuaj xyuas zoo tuaj yeem ua tau?

A: Nws tuaj yeem nqa cov qauv rau kev sim thiab muab pov thawj ntawm kev sim.

Q: Nws puas tuaj yeem xa tuaj sai?

A: Feem ntau, nws yuav xa tuaj tsis pub dhau ob lub lis piam.

Q: Qhov kev txiav txim yam tsawg kawg nkaus yog dab tsi?

A: Qhov kev txiav txim yam tsawg kawg nkaus yog dab tsi?

Q: Puas yog cov neeg siv khoom hauv online 24 teev hauv ib hnub los teb cov lus nug?

A: Pab pawg muag khoom, kev txhawb nqa ua ntej thiab tom qab muag 24 teev hauv online teb.

Q: Cov kev pab cuam tom qab muag yog dab tsi?

A: Pab neeg ua haujlwm tau zoo thiab muaj peev xwm tuaj yeem teb cov lus teb rau cov neeg siv khoom raws sijhawm, thiab daws cov teeb meem sai sai los ntawm cov neeg siv khoom siv los xyuas kom meej tias cov neeg siv khoom tsis muaj kev txhawj xeeb.