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