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