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