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