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