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