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