Video: Puas yog SeCl4 polar lossis nonpolar?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Yog lawm. Lub SeCl4 molecule yog polar vim hais tias ib leeg khub ntawm nonbonding electrons nyob rau hauv lub valence plhaub ntawm lub selenium atom interacts nrog lub bonding khub ntawm electrons, ua rau ib tug spatial asymmetry ntawm lub dipole lub sij hawm ntawm lub polar Se-Cl bonds. Qhov tshwm sim yog SeCl4 molecule nrog lub vas dipole sij.
Ib yam li ntawd, puas yog sbr4 polar lossis nonpolar?
Lub geometry ntawm Sf4 yuav yog asymmetric electron cheeb tsam faib nyob ib ncig ntawm lub hauv paus atom (S). Yog li no molecule yog polar.
Tsis tas li ntawd, Lewis qauv ntawm SiH4 yog dab tsi? Wb ua qhov Lewis qauv rau SiH 4 . Nyob rau lub sij hawm lub sij hawm, Silicon, pawg 4, 4 valence electrons; Hydrogen, pawg 1, 1 valence electron, tab sis peb muaj plaub ntawm lawv. Yog li 4 ntxiv 4: 8 tag nrho valence electrons. Muab Si rau hauv qhov chaw, Hydrogens ib txwm mus rau sab nraud.
Yog li ntawd, dab tsi yog qhov molecular geometry ntawm SeCl4?
| Compound | Lewis Qauv | Molecular Geometry |
|---|---|---|
| 5 pawg SeCl4 (34 ib-) | Cl Cl / Se: / Cl Cl | "saib" |
| 3 pawg NO3- (24 e-) | O ½ O-N = O + 2 resonance qauv | trigonal txoj kev |
Lewis qauv rau SeCl2 yog dab tsi?
Tshwj xeeb rau SeCl2 , tag nrho cov naj npawb ntawm valence electrons yog 6 (Se) + 2 * 7 (rau 2 Cl atoms) rau tag nrho ntawm 20. Raws li Se yog ob qho tib si txuas ntxiv thiab ntxiv mus rau sab laug ntawm lub sij hawm lub sij hawm piv rau Cl, nws yuav ua koj lub hauv paus atom. Kos lub qauv raws li Cl - Se - Cl hauv kab.
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