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