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