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