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