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