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