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