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