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