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