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