Cov txheej txheem:
Video: Dab tsi yog cov ntsiab lus xiav ntawm lub rooj zaum?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Xiav . Ob cov ntsiab lus nws cov npe yog muab los ntawm cov xim xiav yog indium (atomic tooj 49) thiab cesium (55).
Ntxiv mus, cov xim txhais li cas ntawm lub sij hawm lub rooj ntawm cov ntsiab lus?
Ib yam daim ntawv qhia hnub yog xim raws li keeb pawg, uas yog cov ntsiab lus uas qhia cov khoom siv tshuaj thiab lub cev. Lub valence daim ntawv qhia hnub siv xim txhawm rau txheeb xyuas qhov feem ntau valence xeev rau txhua tus keeb . Cov keeb kev nplua nuj daim ntawv qhia hnub qhia qhov txheeb ze ntawm txhua tus keeb.
Qhov thib ob, cov xim dab tsi yog cov khib nyiab ntawm lub rooj zaum? Hauv daim ntawv qhia hnub saum toj no, dub squares qhia hais tias yog cov khoom khib nyiab nyob rau hauv chav tsev kub (kwv yees li 22ºC) *, cov nyob rau hauv xiav squares yog kua nyob rau hauv chav tsev kub, thiab cov nyob rau hauv liab squares yog gases nyob rau hauv chav tsev kub.
Tom qab, lo lus nug yog, dab tsi yog cov xim ntawm cov khoom?
Cov ntsiab lus thiab lawv cov xim
- Ntoo: Ntsuab, Brown.
- Hluav taws kub: liab, muaj zog daj, txiv kab ntxwv, ntshav, liab.
- Lub ntiaj teb: Lub teeb daj, Sandy / Earthy, Lub teeb xim av.
- Hlau: Dawb, Grey.
- Dej: Xiav, Dub.
Cov ntsiab lus dab tsi yog liab?
Xim ntawm cov khoom
| Hydrogen | Tsis muaj xim | Niobium |
|---|---|---|
| Bromine | Liab | Rhenium |
| Krypton | Tsis muaj xim | Osmium |
| Rubidium | Nyiaj | Iridium |
| Strontium | Nyiaj | Platinum |
Pom zoo:
Dab tsi yog lub ntsiab lus 11 ntawm lub rooj zaum?
Sodium yog lub ntsiab lus uas yog atomic naj npawb 11 ntawm lub sijhawm teem sijhawm
Dab tsi yog thawj lub ntsiab lus ntawm lub rooj zaum?
Hydrogen yog thawj lub hauv paus ntawm lub rooj sib tham, nrog qhov nruab nrab atomic loj ntawm 1.00794
Dab tsi yog lub ntsiab lus thib peb ntawm lub rooj zaum?
Lithium yog qhov thib 3 ntawm lub caij nyoog ntawm cov ntsiab lus
Dab tsi yog lub ntsiab lus 16 ntawm lub rooj zaum?
Sulfur yog cov khoom siv tshuaj uas sawv cev nrog cov cim tshuaj 'S' thiab tus naj npawb atomic 16 ntawm lub sijhawm teem sijhawm. Selenium yog cov hlau tsis muaj hlau thiab tuaj yeem muab piv rau nws cov khoom tsis yog hlau uas muaj nyob hauv Pawg 16: Cov Tsev Neeg Oxygen, xws li sulfur thiab tellurium
Lub npe ntawm tag nrho cov ntsiab lus ntawm lub sij hawm lub rooj yog dab tsi?
Tus lej xov tooj yog nws tus lej atomic, uas yog tus naj npawb ntawm protons hauv txhua qhov ntawm nws cov atoms. H - Hydrogen. Nws - Helium. Lithium roj teeb. Ua - Beryllium. B - Boron. C - Cov pa roj carbon. N - Nitrogen. O - Cov pa