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