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