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