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