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