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