Mendeleev puas paub tias muaj cov ntsiab lus tsis pom?

2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36

Mendeleev sab laug qhov khoob ntawm nws lub rooj rau qhov chaw cov ntsiab lus tsis yog paub thaum lub sijhawm. Los ntawm saib cov khoom siv tshuaj lom neeg thiab cov khoom siv lub cev ntawm cov cov ntsiab lus ib sab ntawm qhov sib txawv, nws kuj tuaj yeem kwv yees cov khoom ntawm cov no yam tsis tau pom dua . Cov keeb germanium tau pom tom qab.

Ua li no, dab tsi coj Mendeleev los kwv yees tias qee lub ntsiab lus tseem tsis tau pom?

A: Qhov xwm txheej ntawd tau coj Mendeleev los kwv yees qee yam uas tseem tsis tau pom dua yog nyob rau hauv thiaj li yuav qhov chaw cov ntsiab lus hauv pawg ntawd muaj cov khoom zoo sib xws, nws tau tso qhov khoob ntawm lub rooj zaum hauv lub sijhawm, yog li nws xaus lus tias cov khoob no tom qab tau sau rau hauv.

Qhov thib ob, cov ntsiab lus twg tau pom tom qab Mendeleev? Mendeleev's Predicted Elements

• Eka-boron (scandium)
• Eka-Aluminium (gallium)
• Eka-manganese (Technetium)
• Eka-silicon (germanium)

Kuj kom paub, Mendeleev tau npaj cov ntsiab lus li cas?

Mendeleev pom tau hais tias lub cev thiab tshuaj muaj zog ntawm cov ntsiab lus tau cuam tshuam rau lawv cov atomic loj nyob rau hauv ib txoj kev 'periodic', thiab teem lawv kom cov pab pawg ntawm cov ntsiab lus nrog cov khoom zoo sib xws poob rau hauv kab ntsug hauv nws lub rooj.

Muaj pes tsawg lub ntsiab lus tau pom los ntawm Mendeleev?

Xyoo 1863, muaj tau 56 npe cov ntsiab lus nrog ib tug tshiab keeb ua nrhiav pom ntawm tus nqi kwv yees li ib xyoos ib zaug. Lwm cov kws tshawb fawb yav dhau los tau txheeb xyuas lub sijhawm ntawm cov ntsiab lus . John Newlands tau piav txog Txoj Cai Lij Choj ntawm Octaves, ceeb toom lawv lub sijhawm raws li tus txheeb ze atomic hnyav hauv 1864, tshaj tawm nws xyoo 1865.