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