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