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