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