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