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