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