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