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