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