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