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