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