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