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