-
PNAS: Iron element is indispensable for the formation of life on earth and the possibility of life on other planets
Time of Update: 2021-12-27
One of the authors of the research report, Jon Wade, associate professor of planetary materials in the Department of Earth Sciences, University of Oxford, said: "The initial iron content in the earth’s rocks is determined by the planet’s accretion conditions.
-
Elemental elements of iron series
Time of Update: 2021-06-29
Group VIII of the periodic table includes iron (Fe), cobalt (Co), nickel (Ni), ruthenium (Ru), rhodium (Rh), palladium (Pd), starvation (Os), iridium (Ir), platinum ( Pt) A total of 9 elements .
Metal nickel, palladium, and platinum all have the ability to absorb hydrogen.
-
Hydroxides and oxides of iron-based elements
Time of Update: 2021-06-29
Figure 16-5 FC13 dimer knotImportant cobalt and nickel saltsThe anhydrous salt of cobalt is CoF 2 red, CoCl 2 blue, CoBr 2 green, Col 2 blue-black, Co(NO 3 ) 2 lavender, CoSO 4 red, and Co(SCN) 2 brown-yellow .
-
Solubility and hydrolysis of iron-based element compounds
Time of Update: 2021-06-29
The weak acid salts, hydroxides and oxides of iron-based elements are insoluble in water .
The highly charged Fe 3+ has strong hydrolysis ability, and its salt aqueous solution is strongly acidic .
