Video: Vim li cas qee lub ntsiab lus muaj cov cim uas tsis siv cov ntawv hauv lub npe?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Lwm yam npe - cim Cov kev tsis sib haum xeeb tuaj txog los ntawm cov kws tshawb fawb los ntawm kev tshawb fawb los ntawm cov ntawv classical sau ua lus Arabic, Greek, thiab Latin, thiab los ntawm tus cwj pwm ntawm "tus kws tshawb fawb poj niam" ntawm lub sijhawm dhau los. siv ib qho kev sib xyaw ntawm ob hom lus kawg li "ib hom lus rau cov txiv neej ntawv ” Hg cim rau mercury, piv txwv li, Yog li ntawd, cov ntsiab lus twg muaj cov cim txawv ntawm lawv lub npe?
- Sodium - Natrium (Na) Sodium lub npe Latin, 'natrium', muab los ntawm Greek 'nítron' (lub npe rau sodium carbonate).
- Potassium - Kalium (K)
- Hlau - Ferrum (Fe)
- Copper – Cuprum (Cu)
- Silver – Argentum (Ag)
- Tin - Stannum (Sn)
- Antimony – Stibium (Sb)
- Tungsten-Wolfram (W)
Tsis tas li ntawd, vim li cas qee lub ntsiab lus muaj 2 tsab ntawv cim? Cov cim raug muab tso rau hauv lub hauv paus ntawm thawj tsab ntawv ntawm cov ntsiab lus . Tom qab lub npe qee , lwm yam tau rov ua dua. Yuav ua kom muaj qhov tshwj xeeb cim rau txhua tus cov ntsiab lus . Lawv muaj 2 los yog ntau dua ntawv.
Ib yam li ib tug yuav nug, tsab ntawv twg tsis yog lub cim ntawm cov tshuaj lom neeg?
Tus Ib Tsab ntawv Tsis Pom hauv Element Cov npe los yog Cov cim D. Cov tsab ntawv "J" yog tib tug tsis yog pom ntawm lub raws sij hawm rooj.
Muaj pes tsawg lub ntsiab lus muaj cov cim tshuaj ntawm ib tsab ntawv?
14
Pom zoo:
Vim li cas peb ntsuas qee qhov kev ncua deb hauv astronomy hauv lub teeb xyoo thiab qee qhov hauv astronomical units?
Feem ntau cov khoom nyob rau hauv qhov chaw nyob deb li deb, hais tias siv ib tug kuj me me chav nyob deb, xws li ib tug astronomical unit, yog tsis siv. Hloov chaw, astronomers ntsuas qhov deb ntawm cov khoom uas nyob sab nraum peb lub hnub ci hauv lub teeb xyoo. Qhov ceev ntawm lub teeb yog kwv yees li 186,000 mais lossis 300,000 kilometers ib ob
Cov organic tebchaw tau txais lawv lub npe Li cas lo lus muaj feem xyuam rau nws lub ntsiab lus li cas?
Lo lus hais txog nws lub ntsiab lus li cas? Organic Compounds tau txais nws lub npe los ntawm tus lej ntawm cov ntawv cog lus carbon. Lo lus muaj feem xyuam rau lub ntsiab lus vim hais tias nws yuav tsum tau ua nrog bonds nyob rau hauv carbon atoms nyob rau hauv cov organic tebchaw
Txoj kev faib cov ntaub ntawv twg muab cov ntaub ntawv sib npaug ntawm cov ntaub ntawv lossis cov kev tshuaj xyuas hauv txhua chav kawm cov ntaub ntawv?
Quantile. txhua chav kawm muaj cov yam ntxwv sib npaug. Ib qho kev faib tawm ntau yog zoo haum rau cov ntaub ntawv faib tawm. Quantile muab tib tus lej ntawm cov ntaub ntawv muaj nuj nqis rau txhua chav kawm
Muaj pes tsawg lub tangents hauv lub voj voog uas sib tshuam hauv ob lub ntsiab lus muaj?
Thaum ib lub voj voog nyob tag nrho hauv ib leeg yam tsis tau kov, tsis muaj tangent. Thaum ob lub voj voog kov ib leeg sab hauv 1 cov tangent tuaj yeem kos rau lub voj voog. Thaum ob lub voj voog sib tshuam hauv ob lub ntsiab lus tiag tiag thiab sib txawv, 2 cov tangents tuaj yeem kos rau lub voj voog
Puas yog cov ntsiab lus uas muaj cov tshuaj lom neeg zoo sib xws yuav pom nyob rau tib lub sijhawm lossis hauv tib pab pawg piav qhia koj cov lus teb?
Qhov no yog vim hais tias cov tshuaj muaj zog nyob ntawm tsis muaj valence electrons. Raws li nyob rau hauv ib pawg tag nrho cov ntsiab lus muaj tib yam tsis muaj valence electron uas yog vim li cas lawv muaj cov tshuaj zoo sib xws tab sis nyob rau hauv ib lub sij hawm tsis muaj valence electron sib txawv uas yog vim li cas lawv txawv nyob rau hauv chemical zog