(a) Rare earth elements (b) Alkaline earth elements (c) Halogens (d) Transition elements (e) None of the aboveGive two elements that are classified as halogens in the periodic table.What are the elements in Group 1A on the periodic table called? (a) alkali metals (b) alkaline ear...
Give three reasons why rare earth metals are important to human lifestyle. List and describe the four processes of toxicokinetics. Describe four possible effects of global warming on the planet. What is geothermal energy and what are three major sources of such energy? List the four most essenti...
China Is Hinting It Might Double Rare Earth Exports This Year
non-ferrous metals (all metals excluding iron, chromium, manganese and their alloys) 类金属Trad.類金屬 lèi jīn shǔ metalloid (chemistry) 金属线Trad.金屬線 jīn shǔ xiàn metal wire 过渡金属Trad.過渡金屬 guò dù jīn shǔ transition metal (chemistry) ...