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