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