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