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