Video: Dab tsi yog lub ntsiab lus tseem ceeb tshaj plaws hauv Pawg 7a?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Feem ntau halogens yog electron tshaib plab, zoo li fluorine. Halogens tuaj yeem raug xa mus rau pab 7a , pab pawg 17,lub pab pawg VIIA cov ntsiab lus.
Ib sab ntawm qhov no, dab tsi yog qhov reactive feem ntau hauv Pawg 7a?
Fluorine yog tus feem ntau reactive element nyob rau hauv pawg 7A ntawm cov ntsiab lus.
Qhov thib ob, dab tsi yog cov hlau nquag tshaj plaws nyob rau hauv lub sijhawm? Cov ntsiab lus mus rau hauv qab sab laug ces kaum ntawm lub daim ntawv qhia hnub yog cov hlau uas yog cov nquag heev nyob rau hauv lub siab ntawm kev ua tus feem ntau reactive. Lithium, sodium, thiab potassium tag nrho cov tshuaj tiv thaiv nrog dej, piv txwv li.
Kuj paub, dab tsi yog cov ntsiab lus hauv Pawg 7a?
Pawg 7A - Lub Halogen. Pawg 7A (los yog VIIA) ntawm lub sij hawm lub sij hawm yog cov halogens: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), thiab astatine (At). Lub npe "halogen" txhais tau hais tias "ntsev qub", muab los ntawm Greek lo lusshalo- (" ntsev") thiab -gen (" tsim").
Tus nqi them rau txhua yam hauv Pawg 7a yog dab tsi?
Ntawd yog, lub Pawg 7A nonmetals daim ntawv 1- nqi , cov Pab pawg 6A nonmetals daim ntawv 2- nqi , thiab cov Pab pawg 5A hlau daim ntawv 3- nqi . Cov Pab pawg 8A cov ntsiab lus twb muaj yim electrons nyob rau hauv lawv valence shells, thiab muaj me ntsis tendency mus nce los yog poob electrons, thiab tsis yooj yim tsim ionic ormolecular tebchaw.
Pom zoo:
Dab tsi yog qhov ntau tshaj thiab tseem ceeb tshaj plaws inorganic compound nyob rau hauv lub cev?
Dej yog cov khoom siv tsis muaj tshuaj lom ntau tshaj plaws, ua rau ntau dua 60% ntawm lub ntim ntawm cov hlwb thiab ntau dua 90% ntawm cov kua hauv lub cev zoo li ntshav. Ntau yam tshuaj yaj nyob hauv dej thiab tag nrho cov tshuaj lom neeg uas tshwm sim hauv lub cev ua li ntawd thaum yaj hauv dej
Lub ntsiab lus ntawm lub hauv paus lo lus meter nyob rau hauv lo lus tus pas ntsuas kub yog dab tsi?
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Dab tsi yog qhov yuam kev loj tshaj plaws yog tias Irina ntsuas qhov ntev ntawm nws lub qhov rais li 3.35 feet qhov yuam kev loj tshaj plaws yog taw?
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Dab tsi ua haujlwm pab pawg tseem ceeb tshaj plaws rau lub zog ntawm tes?
Nrog plaub lub electronegative oxygen atoms, phosphate pawg yog cov reactive heev, thiab kev hloov ntawm ib pab pawg phosphate los ntawm ib tug molecule mus rau lwm tus muab lub zog rau cov tshuaj tiv thaiv. ATP, lub luag haujlwm tseem ceeb hauv lub hlwb, yog tsim los ntawm peb pawg phosphate sib koom ua ke