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