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