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