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