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