BrF muaj pes tsawg valence electrons?

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

Kos tus qauv Lewis rau BrF

Nyob ntawd yog ua 28 valence electrons rau cov BrF ₃ Lewis qauv. Tom qab txiav txim siab pes tsawg valence electrons nyob ntawd nyob rau hauv BrF ₃, muab lawv nyob ib ncig ntawm lub hauv paus atom kom tiav cov octets.

Ntxiv mus, muaj pes tsawg khub ntawm valence electrons nyob hauv BrF?

Tus naj npawb ntawm valence electrons yog 7 + 2 × 7 + 1 = 22. Yog tias koj kos cov qauv sim uas Br yog lub hauv paus atom thiab txhua lub atom muaj octet, koj yuav tau siv 20 electrons (2 ib leeg khub ntawm Br). Ob tug ntxiv ib leeg khub electrons mus rau Br. Yog li Br muaj peb leeg khub hauv BrF −2.

Tsis tas li ntawd, BrF puas ua raws li txoj cai octet? Cov khoom xws li silicon (Si), phosphorus (P), sulfur (S), chlorine (Cl), bromine (Br), thiab iodine (I) ua raws li txoj cai octet nyob rau hauv ntau zaus, tab sis nyob rau hauv lwm yam xwm txheej, lawv ua tau tsim ntau daim ntawv cog lus tshaj qhov txoj cai tso cai. Piv txwv li, BrF ₅ yog ib qho piv txwv ntawm qhov sib xyaw nrog qhov nthuav dav octet ua.

Hais txog qhov no, dab tsi yog qhov molecular zoo ntawm BrF?

Cov molecular geometry ntawm BrF ₅ yog square pyramidal nrog asymmetric nqi faib rau hauv nruab nrab atom. Yog li no molecule yog polar.

brf2 yog dab tsi?

Transcription factor IIIB 50 kDa subunit. Transcription factor IIIB 50 kDa subunit (TFIIIB50) kuj hu ua b-related factor 2 ( BRF-2 ) yog cov protein uas nyob rau hauv tib neeg yog encoded los ntawm cov BRF2 noob.