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