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