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