Next to mercury, cov hlau tsis muaj zog tshaj plaws yog cov hlau alkali hnyav dua. Whereas mercury muaj lub vapor siab ntawm 1 Pa ntawm 42 ° C, cesium muaj vapor siab ntawm 1 Pa ntawm 144 ° C.
Qhov twg yog cov hlau tsis muaj zog tshaj plaws?
Silver yog qhov tsis txaus ntseeg rau nws qhov tsis hloov pauv, thiab qhov tseeb tau ua pov thawj cov hlau tsis muaj zog tshaj plaws los ntawm Bloomberg nyob rau yim lub hlis dhau los, poob 44 feem pua ntawm lub sijhawm ntawd.
Volatility hlau yog dab tsi?
Nyob rau hauv chemistry, volatility yog ib tug khoom zoo uas piav qhia yuav ua li cas nkag tau ib yam khoom vapourizes. Nyob rau ntawm qhov kub thiab txias, ib yam khoom uas muaj volatility siab yog feem ntau yuav tshwm sim raws li ib tug vapour, hos ib yam khoom uas tsis volatility yog ntau dua yuav ua kua los yog khoom.
PB puas hloov pauv?
The non-volatile hlau lead (Pb) thiab cadmium (Cd) ranged ntawm 0.06 txog 0.64 μg / g thiab 0.002 txog 0.03 μg / g, feem.)
Puas yog zinc volatile?
Vim li cas Zn, Cd thiab Hg softer thiab volatile hlau? Lub d-orbital ntawm Zn, Cd thiab Hg tau puv tag. Vim lawv cov d-orbitals tag nrho, lawv muaj cov hlau tsis muaj zog thiab cov khoom ntim tsawg tshaj plaws, yog li lawv txhua tus tsis hloov pauv hauv qhov xwm txheej.
