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