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