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