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