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