Dab tsi ntawm daim ntawv cog lus germanium tsim?

2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36

covalent bonds

Ntxiv mus, hom kev sib cog lus twg yog tsim los ntawm germanium thiab fluorine?

Nws yuav daim ntawv ib ionic daim ntawv cog lus . Ib qho ionic daim ntawv cog lus yog tsim los ntawm cov hlau thiab cov hlau tsis yog hlau, vim nws cuam tshuam tag nrho kev hloov ntawm electrons. Hauv qhov no, Germamium yog hlau thaum Florine tsis yog hlau. Cov khoom siv hlau muab cov atoms rau cov khoom tsis yog xim hlau.

Tsis tas li ntawd, lub ntsiab lus twg yuav tsim ib daim ntawv cog lus ionic nrog carbon? Tag nrho cov carbon pawg atoms, muaj plaub valence electrons, daim ntawv covalent daim ntawv cog lus nrog nonmetal atoms; carbon thiab silicon tsis tuaj yeem poob lossis nce electrons rau daim ntawv dawb ions , whereas germanium, tin, thiab lead ua daim ntawv nws yog xim hlau ions tab sis tsuas yog nrog ob tus nqi zoo.

Tom qab ntawd, hom ntawv cog lus twg tsim muaj cov khoom siv lead ua?

Cov crystals tsim los ntawm kev sib txuas ntawm atoms yog ib qho ntawm peb pawg, cais los ntawm lawv cov kev sib txuas: ionic , covalent , thiab metallic. Molecules kuj tuaj yeem sib txuas ua ke los tsim cov muaju; cov ntawv cog lus no, tsis tau tham txog ntawm no, tau muab cais ua molecular.

Dab tsi ntawm kev sib txuas yog muaj nyob rau hauv semiconductors?

Cov electrons nyob ib ncig ntawm txhua lub atom hauv ib lub semiconductor yog ib feem ntawm a covalent bond . A covalent bond muaj ob lub atoms "sib koom" ib khub ntawm electrons. Txhua daim ntawv atom 4 covalent bonds nrog 4 atoms nyob ib puag ncig. Yog li ntawd, ntawm txhua lub atom thiab nws 4 nyob ib puag ncig atoms, 8 electrons raug muab faib.