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