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