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