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