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