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