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