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