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