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