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