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