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