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