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