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