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