A) transiton B) electron C) directional D) proton E) transfer
A) lead B) tin C) boron D) mercury E) gold
A) the boron family B) halogens C) actinides D) alkali metals E) the hydrogen group
A) rare earths B) halogens C) noble gases D) common earths E) iron triad
A) cobalt B) platinum C) zinc D) lead E) tin
A) the boron family B) lanthanides C) actinides D) noble gases E) halogens
A) group 15 B) group 1 C) group 14 D) group 2 E) group 16
A) h B) H C) He D) Hf E) Hg
A) iodine B) helium C) sugars D) salts E) chlorine
A) They glow in the dark. B) They are liquid metals. C) They never rust. D) They are worth more money. E) They have magnetic properties.
A) metaloids B) triads C) periods D) groups E) families |