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