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