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