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