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