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