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