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