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