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