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