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