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