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