Video: Koj ua li cas khi polyatomic ions?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
A polyatomic ion muaj ob los yog ntau dua covalently bonded atoms uas ua raws li ib leeg ion . Cov polyatomic ion daim ntawv ionic daim ntawv cog lus nrog lwm tus ions thiab ua externally raws li ib tug unit, ib yam li Monatomic ions.
Ua raws li qhov no, vim li cas polyatomic ions covalent?
Polyatomic ions yog covalent compounds uas muaj tag nrho cov nqi. Hauv kev xaus, ntau yam ntsiab lus tau tuav ua ke nrog covalent bonds, tab sis lub compound muaj tag nrho cov nqi, kom tag nrho cov compound behaves li ion thiab tuaj yeem siv rau hauv ionic kev sib raug zoo.
Tsis tas li ntawd, cov cai rau npe polyatomic ions yog dab tsi? Txoj cai 1. Cov cation yog sau ua ntej nyob rau hauv lub npe ; lub anion yog sau thib ob nyob rau hauv lub npe . Txoj cai 2. Thaum cov qauv ntsuas muaj ob lossis ntau dua ntawm tib yam polyatomic ion , uas ion yog sau nyob rau hauv kab lus nrog cov subscript sau sab nraum cov kab lus.
Ib yam li ntawd, polyatomic ion muab piv txwv li cas?
Polyatomic ions yog ions uas muaj ntau tshaj ib lub atom. Rau piv txwv , nitrate ion , NO3-, muaj ib tug nitrogen atom thiab peb oxygen atoms. Cov atoms hauv a polyatomic ion feem ntau yog covalently bonded rau ib leeg, thiab yog li ntawd nyob ua ke raws li ib leeg, them unit.
Yuav ua li cas ions tau txais lawv cov nqi?
Ions yog tsim thaum atoms poob los yog nce electrons thiaj li ua tau raws li txoj cai octet thiab muaj tag nrho sab nrauv valence electron plhaub. Thaum lawv poob electrons, lawv ua zoo raug them thiab muaj npe cations. Thaum lawv nce electrons, lawv tsis zoo raug them thiab muaj npe anions.
Pom zoo:
Yuav ua li cas koj sau cov mis rau ib tug compound uas muaj ib tug polyatomic ion?
Txhawm rau sau cov qauv rau cov tebchaw uas muaj polyatomic ions, sau lub cim rau cov hlau ion ua raws li cov qauv rau polyatomic ion thiab sib npaug cov nqi. Txhawm rau sau npe ib qho chaw uas muaj polyatomic ion, hais cov cation ua ntej thiab tom qab ntawd cov anion
Dab tsi ntawm daim ntawv cog lus tuav cov atoms ua ke hauv polyatomic ions?
Covalent bonding yog hom kev sib cog lus uas tuav ua ke cov atoms hauv polyatomic ion. Nws yuav siv ob lub electrons los ua covalent daim ntawv cog lus, ib qho los ntawm txhua qhov sib txuas atom. Lewis dot structures yog ib txoj hauv kev los sawv cev li cas atoms tsim covalent bonds
Dab tsi yog cov khoom siv polyatomic ions?
Feem ntau Polyatomic Ions Zn2 + Zinc. Cd2+ Cadmium. 1+ nqi. NH4. Ammonium. Hg 2. Mercury (I) Ag + Silver. 1- nqi. C2H3O2. Acetate. CN-Cyanide hmoov. ClO-Hypochlorite. ClO2. Chlorite. CLO 3. Chlorate. ClO4. Perchlorate. HCO 3. Hydrogen (bi) carbonate. H2PO 4
Koj puas siv prefixes thaum naming polyatomic ions?
Polyatomic ions muaj npe tshwj xeeb. Ntau ntawm lawv muaj cov pa oxygen thiab hu ua oxyanions. Thaum sib txawv oxyanions yog ua los ntawm tib lub caij, tab sis muaj ib tug txawv tus naj npawb ntawm cov pa atoms, ces prefixes thiab suffixes yog siv los qhia lawv sib nrug
Yuav ua li cas koj lub npe acids nrog polyatomic ions?
Naming Acids Ib qho polyatomic ion nrog cov lus "-ate" siv cov lus "-ic" ua cov kua qaub. Thaum koj muaj polyatomic ion nrog ib qho oxygen ntau dua li "-ate" ion, ces koj cov kua qaub yuav muaj lub npe "per-" thiab cov lus "-ic." Piv txwv li, chlorate ion yog ClO3