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