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