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