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