A) transiton B) directional C) proton D) electron E) transfer
A) tin B) gold C) lead D) boron E) mercury
A) actinides B) the boron family C) alkali metals D) the hydrogen group E) halogens
A) halogens B) iron triad C) noble gases D) rare earths E) common earths
A) tin B) zinc C) platinum D) lead E) cobalt
A) lanthanides B) actinides C) halogens D) the boron family E) noble gases
A) group 14 B) group 2 C) group 16 D) group 15 E) group 1
A) h B) Hg C) He D) H E) Hf
A) sugars B) helium C) salts D) chlorine E) iodine
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) periods C) families D) groups E) triads |