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