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