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