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