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