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