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